#LEETCODE Series&#39; Articles

4 min read

MD ARIFUL HAQUE

Apr 18 '24

463. Island Perimeter

#leetcode #php #programming #algorithms

3 min read

MD ARIFUL HAQUE

Apr 19 '24

200. Number of Islands

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3 min read

Cover image for 1992. Find All Groups of Farmland

MD ARIFUL HAQUE

Apr 20 '24

1992. Find All Groups of Farmland

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3 min read

MD ARIFUL HAQUE

Apr 22 '24

752. Open the Lock

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4 min read

Cover image for 1971. Find if Path Exists in Graph

MD ARIFUL HAQUE

Apr 22 '24

1971. Find if Path Exists in Graph

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2 min read

Cover image for 310. Minimum Height Trees

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Apr 23 '24

310. Minimum Height Trees

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3 min read

Cover image for 1137. N-th Tribonacci Number

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Apr 24 '24

1137. N-th Tribonacci Number

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4 min read

Cover image for 2370. Longest Ideal Subsequence

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Apr 25 '24

2370. Longest Ideal Subsequence

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2 min read

Cover image for 1289. Minimum Falling Path Sum II

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Apr 26 '24

1289. Minimum Falling Path Sum II

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5 min read

MD ARIFUL HAQUE

Apr 27 '24

514. Freedom Trail

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4 min read

Cover image for 834. Sum of Distances in Tree

MD ARIFUL HAQUE

Apr 28 '24

834. Sum of Distances in Tree

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3 min read

Cover image for 1700. Number of Students Unable to Eat Lunch

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Apr 28 '24

1700. Number of Students Unable to Eat Lunch

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2 min read

Cover image for 2073. Time Needed to Buy Tickets

MD ARIFUL HAQUE

Apr 28 '24

2073. Time Needed to Buy Tickets

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2 min read

Cover image for 2997. Minimum Number of Operations to Make Array XOR Equal to K

MD ARIFUL HAQUE

Apr 29 '24

2997. Minimum Number of Operations to Make Array XOR Equal to K

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2 min read

Cover image for 1614. Maximum Nesting Depth of the Parentheses

MD ARIFUL HAQUE

Apr 29 '24

1614. Maximum Nesting Depth of the Parentheses

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3 min read

Cover image for 1544. Make The String Great

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Apr 29 '24

1544. Make The String Great

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4 min read

Cover image for 1915. Number of Wonderful Substrings

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Apr 30 '24

1915. Number of Wonderful Substrings

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2 min read

Cover image for 1249. Minimum Remove to Make Valid Parentheses

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Apr 30 '24

1249. Minimum Remove to Make Valid Parentheses

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4 min read

Cover image for 950. Reveal Cards In Increasing Order

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Apr 30 '24

950. Reveal Cards In Increasing Order

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4 min read

Cover image for 678. Valid Parenthesis String

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Apr 30 '24

678. Valid Parenthesis String

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3 min read

Cover image for 2000. Reverse Prefix of Word

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May 1 '24

2000. Reverse Prefix of Word

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2 min read

MD ARIFUL HAQUE

May 1 '24

79. Word Search

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2 min read

Cover image for 129. Sum Root to Leaf Numbers

MD ARIFUL HAQUE

May 1 '24

129. Sum Root to Leaf Numbers

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3 min read

Cover image for 2441. Largest Positive Integer That Exists With Its Negative

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May 2 '24

2441. Largest Positive Integer That Exists With Its Negative

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1 min read

MD ARIFUL HAQUE

May 2 '24

58. Length of Last Word

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2 min read

MD ARIFUL HAQUE

May 2 '24

205. Isomorphic Strings

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2 min read

Cover image for 165. Compare Version Numbers

MD ARIFUL HAQUE

May 3 '24

165. Compare Version Numbers

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3 min read

MD ARIFUL HAQUE

May 3 '24

402. Remove K Digits

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3 min read

MD ARIFUL HAQUE

May 3 '24

42. Trapping Rain Water

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1 min read

Cover image for 881. Boats to Save People

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May 5 '24

881. Boats to Save People

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3 min read

Cover image for 237. Delete Node in a Linked List

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May 5 '24

237. Delete Node in a Linked List

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3 min read

MD ARIFUL HAQUE

May 5 '24

85. Maximal Rectangle

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3 min read

MD ARIFUL HAQUE

May 6 '24

404. Sum of Left Leaves

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3 min read

Cover image for 2487. Remove Nodes From Linked List

MD ARIFUL HAQUE

May 6 '24

2487. Remove Nodes From Linked List

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1 min read

Cover image for 2816. Double a Number Represented as a Linked List

MD ARIFUL HAQUE

May 7 '24

2816. Double a Number Represented as a Linked List

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2 min read

MD ARIFUL HAQUE

May 7 '24

445. Add Two Numbers II

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3 min read

MD ARIFUL HAQUE

May 8 '24

506. Relative Ranks

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3 min read

MD ARIFUL HAQUE

May 8 '24

1. Two Sum

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2 min read

Cover image for 3075. Maximize Happiness of Selected Children

MD ARIFUL HAQUE

May 9 '24

3075. Maximize Happiness of Selected Children

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2 min read

MD ARIFUL HAQUE

May 9 '24

2. Add Two Numbers

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3 min read

Cover image for 786. K-th Smallest Prime Fraction

MD ARIFUL HAQUE

May 10 '24

786. K-th Smallest Prime Fraction

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3 min read

Cover image for 3. Longest Substring Without Repeating Characters

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May 10 '24

3. Longest Substring Without Repeating Characters

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3 min read

Cover image for 3123. Find Edges in Shortest Paths

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May 10 '24

3123. Find Edges in Shortest Paths

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2 min read

Cover image for 3122. Minimum Number of Operations to Satisfy Conditions

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May 10 '24

3122. Minimum Number of Operations to Satisfy Conditions

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2 min read

Cover image for 3121. Count the Number of Special Characters II

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May 10 '24

3121. Count the Number of Special Characters II

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1 min read

Cover image for 3113. Find the Number of Subarrays Where Boundary Elements Are Maximum

MD ARIFUL HAQUE

May 10 '24

3113. Find the Number of Subarrays Where Boundary Elements Are Maximum

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3 min read

Cover image for 2570. Merge Two 2D Arrays by Summing Values solution

MD ARIFUL HAQUE

May 10 '24

2570. Merge Two 2D Arrays by Summing Values solution

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6 min read

Cover image for 2530. Maximal Score After Applying K Operations

MD ARIFUL HAQUE

May 10 '24

2530. Maximal Score After Applying K Operations

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4 min read

Cover image for 857. Minimum Cost to Hire K Workers

MD ARIFUL HAQUE

May 11 '24

857. Minimum Cost to Hire K Workers

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4 min read

Cover image for 4. Median of Two Sorted Arrays

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May 11 '24

4. Median of Two Sorted Arrays

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2 min read

Cover image for 2373. Largest Local Values in a Matrix

MD ARIFUL HAQUE

May 12 '24

2373. Largest Local Values in a Matrix

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2 min read

Cover image for 17. Letter Combinations of a Phone Number

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May 12 '24

17. Letter Combinations of a Phone Number

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1 min read

Cover image for 861. Score After Flipping Matrix

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May 13 '24

861. Score After Flipping Matrix

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3 min read

Cover image for 1219. Path with Maximum Gold

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May 14 '24

1219. Path with Maximum Gold

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1

4 min read

Cover image for 2812. Find the Safest Path in a Grid

MD ARIFUL HAQUE

May 15 '24

2812. Find the Safest Path in a Grid

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3 min read

Cover image for 2331. Evaluate Boolean Binary Tree

MD ARIFUL HAQUE

May 16 '24

2331. Evaluate Boolean Binary Tree

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2 min read

Cover image for 1325. Delete Leaves With a Given Value

MD ARIFUL HAQUE

May 17 '24

1325. Delete Leaves With a Given Value

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4 min read

Cover image for 979. Distribute Coins in Binary Tree

MD ARIFUL HAQUE

May 18 '24

979. Distribute Coins in Binary Tree

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5 min read

Cover image for 3068. Find the Maximum Sum of Node Values

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May 19 '24

3068. Find the Maximum Sum of Node Values

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5 min read

Cover image for 1863. Sum of All Subset XOR Totals

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May 20 '24

1863. Sum of All Subset XOR Totals

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4 min read

MD ARIFUL HAQUE

May 21 '24

78. Subsets

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1 min read

Cover image for 131. Palindrome Partitioning

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May 22 '24

131. Palindrome Partitioning

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2 min read

Cover image for 2597. The Number of Beautiful Subsets

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May 23 '24

2597. The Number of Beautiful Subsets

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2 min read

Cover image for 1255. Maximum Score Words Formed by Letters

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May 24 '24

1255. Maximum Score Words Formed by Letters

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6 min read

MD ARIFUL HAQUE

May 25 '24

140. Word Break II

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2 min read

Cover image for 552. Student Attendance Record II

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May 26 '24

552. Student Attendance Record II

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3 min read

Cover image for 1608. Special Array With X Elements Greater Than or Equal X

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May 27 '24

1608. Special Array With X Elements Greater Than or Equal X

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4 min read

Cover image for 1208. Get Equal Substrings Within Budget

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May 28 '24

1208. Get Equal Substrings Within Budget

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5 min read

Cover image for 1404. Number of Steps to Reduce a Number in Binary Representation to One

MD ARIFUL HAQUE

May 29 '24

1404. Number of Steps to Reduce a Number in Binary Representation to One

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4 min read

Cover image for 1442. Count Triplets That Can Form Two Arrays of Equal XOR

MD ARIFUL HAQUE

May 30 '24

1442. Count Triplets That Can Form Two Arrays of Equal XOR

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4 min read

MD ARIFUL HAQUE

May 31 '24

260. Single Number III

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1 min read

MD ARIFUL HAQUE

Jun 1 '24

3110. Score of a String

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1 min read

MD ARIFUL HAQUE

Jun 2 '24

344. Reverse String

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2 min read

Cover image for 2486. Append Characters to String to Make Subsequence

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Jun 3 '24

2486. Append Characters to String to Make Subsequence

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2 min read

MD ARIFUL HAQUE

Jun 4 '24

409. Longest Palindrome

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2 min read

Cover image for 1002. Find Common Characters

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Jun 5 '24

1002. Find Common Characters

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3 min read

MD ARIFUL HAQUE

Jun 6 '24

846. Hand of Straights

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4 min read

MD ARIFUL HAQUE

Jun 7 '24

648. Replace Words

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4 min read

Cover image for 523. Continuous Subarray Sum

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Jun 8 '24

523. Continuous Subarray Sum

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3 min read

Cover image for 974. Subarray Sums Divisible by K

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Jun 9 '24

974. Subarray Sums Divisible by K

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4 min read

MD ARIFUL HAQUE

Jun 10 '24

1051. Height Checker

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4 min read

Cover image for 1122. Relative Sort Array

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Jun 11 '24

1122. Relative Sort Array

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5 min read

MD ARIFUL HAQUE

Jun 12 '24

75. Sort Colors

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3 min read

Cover image for 2037. Minimum Number of Moves to Seat Everyone

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Jun 13 '24

2037. Minimum Number of Moves to Seat Everyone

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2 min read

Cover image for 945. Minimum Increment to Make Array Unique

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Jun 14 '24

945. Minimum Increment to Make Array Unique

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4 min read

MD ARIFUL HAQUE

Jun 15 '24

502. IPO

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3 min read

MD ARIFUL HAQUE

Jun 16 '24

330. Patching Array

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3 min read

Cover image for 633. Sum of Square Numbers

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Jun 17 '24

633. Sum of Square Numbers

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2 min read

Cover image for 826. Most Profit Assigning Work

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Jun 18 '24

826. Most Profit Assigning Work

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3 min read

Cover image for 1482. Minimum Number of Days to Make m Bouquets

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Jun 19 '24

1482. Minimum Number of Days to Make m Bouquets

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5 min read

Cover image for 1552. Magnetic Force Between Two Balls

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Jun 20 '24

1552. Magnetic Force Between Two Balls

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3 min read

Cover image for 1052. Grumpy Bookstore Owner

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Jun 21 '24

1052. Grumpy Bookstore Owner

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5 min read

Cover image for 1248. Count Number of Nice Subarrays

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Jun 22 '24

1248. Count Number of Nice Subarrays

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4 min read

Cover image for 1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit

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Jun 23 '24

1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit

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5 min read

Cover image for 995. Minimum Number of K Consecutive Bit Flips

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Jun 24 '24

995. Minimum Number of K Consecutive Bit Flips

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5 min read

Cover image for 1038. Binary Search Tree to Greater Sum Tree

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Jun 25 '24

1038. Binary Search Tree to Greater Sum Tree

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4 min read

Cover image for 1382. Balance a Binary Search Tree

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Jun 26 '24

1382. Balance a Binary Search Tree

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4 min read

Cover image for 1791. Find Center of Star Graph

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Jun 27 '24

1791. Find Center of Star Graph

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2 min read

Cover image for 2285. Maximum Total Importance of Roads

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Jun 28 '24

2285. Maximum Total Importance of Roads

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2 min read

Cover image for 2192. All Ancestors of a Node in a Directed Acyclic Graph

MD ARIFUL HAQUE

Jun 29 '24

2192. All Ancestors of a Node in a Directed Acyclic Graph

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3 min read

Cover image for 1579. Remove Max Number of Edges to Keep Graph Fully Traversable

MD ARIFUL HAQUE

Jun 30 '24

1579. Remove Max Number of Edges to Keep Graph Fully Traversable

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5 min read

Cover image for 1550. Three Consecutive Odds

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Jul 1 '24

1550. Three Consecutive Odds

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1

3 min read

Cover image for 350. Intersection of Two Arrays II

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Jul 2 '24

350. Intersection of Two Arrays II

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2 min read

Cover image for 1509. Minimum Difference Between Largest and Smallest Value in Three Moves

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Jul 3 '24

1509. Minimum Difference Between Largest and Smallest Value in Three Moves

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5 min read

Cover image for 2181. Merge Nodes in Between Zeros

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Jul 4 '24

2181. Merge Nodes in Between Zeros

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3 min read

Cover image for 2058. Find the Minimum and Maximum Number of Nodes Between Critical Points

MD ARIFUL HAQUE

Jul 5 '24

2058. Find the Minimum and Maximum Number of Nodes Between Critical Points

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3 min read

MD ARIFUL HAQUE

Jul 6 '24

2582. Pass the Pillow

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2 min read

MD ARIFUL HAQUE

Jul 7 '24

1518. Water Bottles

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4 min read

Cover image for 1823. Find the Winner of the Circular Game

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Jul 8 '24

1823. Find the Winner of the Circular Game

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2 min read

Cover image for 1701. Average Waiting Time

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Jul 9 '24

1701. Average Waiting Time

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3 min read

Cover image for 1598. Crawler Log Folder

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Jul 10 '24

1598. Crawler Log Folder

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3 min read

Cover image for 1190. Reverse Substrings Between Each Pair of Parentheses

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Jul 11 '24

1190. Reverse Substrings Between Each Pair of Parentheses

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2 min read

Cover image for 1717. Maximum Score From Removing Substrings

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Jul 12 '24

1717. Maximum Score From Removing Substrings

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3 min read

MD ARIFUL HAQUE

Jul 13 '24

2751. Robot Collisions

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4 min read

MD ARIFUL HAQUE

Jul 14 '24

726. Number of Atoms

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3 min read

Cover image for 2196. Create Binary Tree From Descriptions

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Jul 15 '24

2196. Create Binary Tree From Descriptions

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3 min read

Cover image for 2096. Step-By-Step Directions From a Binary Tree Node to Another

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Jul 16 '24

2096. Step-By-Step Directions From a Binary Tree Node to Another

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3 min read

Cover image for 1110. Delete Nodes And Return Forest

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Jul 17 '24

1110. Delete Nodes And Return Forest

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2 min read

Cover image for 1636. Sort Array by Increasing Frequency

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Jul 23 '24

1636. Sort Array by Increasing Frequency

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2 min read

Cover image for 1530. Number of Good Leaf Nodes Pairs

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Jul 24 '24

1530. Number of Good Leaf Nodes Pairs

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3 min read

Cover image for 2191. Sort the Jumbled Numbers

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Jul 24 '24

2191. Sort the Jumbled Numbers

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3 min read

Cover image for 1380. Lucky Numbers in a Matrix

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Jul 24 '24

1380. Lucky Numbers in a Matrix

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3 min read

Cover image for 1605. Find Valid Matrix Given Row and Column Sums

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Jul 24 '24

1605. Find Valid Matrix Given Row and Column Sums

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3 min read

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Jul 25 '24

2418. Sort the People

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2 min read

Cover image for 2392. Build a Matrix With Conditions

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Jul 25 '24

2392. Build a Matrix With Conditions

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4 min read

MD ARIFUL HAQUE

Jul 25 '24

912. Sort an Array

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187 min read

Cover image for 1334. Find the City With the Smallest Number of Neighbors at a Threshold Distance

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Jul 26 '24

1334. Find the City With the Smallest Number of Neighbors at a Threshold Distance

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3 min read

Cover image for 2976. Minimum Cost to Convert String I

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Jul 27 '24

2976. Minimum Cost to Convert String I

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4 min read

Cover image for 2045. Second Minimum Time to Reach Destination

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Jul 28 '24

2045. Second Minimum Time to Reach Destination

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4 min read

Cover image for 1395. Count Number of Teams

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Jul 29 '24

1395. Count Number of Teams

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7 min read

Cover image for 1653. Minimum Deletions to Make String Balanced

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Jul 30 '24

1653. Minimum Deletions to Make String Balanced

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2 min read

Cover image for 1105. Filling Bookcase Shelves

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Jul 31 '24

1105. Filling Bookcase Shelves

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3 min read

Cover image for 2678. Number of Senior Citizens

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Aug 1 '24

2678. Number of Senior Citizens

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3 min read

Cover image for 2134 Minimum Swaps to Group All 1's Together II

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Aug 2 '24

2134 Minimum Swaps to Group All 1's Together II

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3 min read

Cover image for 1460. Make Two Arrays Equal by Reversing Subarrays

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Aug 3 '24

1460. Make Two Arrays Equal by Reversing Subarrays

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3 min read

Cover image for 1508. Range Sum of Sorted Subarray Sums

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Aug 4 '24

1508. Range Sum of Sorted Subarray Sums

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3 min read

Cover image for 2053. Kth Distinct String in an Array

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Aug 5 '24

2053. Kth Distinct String in an Array

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3 min read

Cover image for 3016. Minimum Number of Pushes to Type Word II

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Aug 6 '24

3016. Minimum Number of Pushes to Type Word II

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4 min read

Cover image for 273. Integer to English Words

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Aug 7 '24

273. Integer to English Words

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2 min read

MD ARIFUL HAQUE

Aug 8 '24

885. Spiral Matrix III

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3 min read

Cover image for 840. Magic Squares In Grid

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Aug 9 '24

840. Magic Squares In Grid

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2 min read

Cover image for 959. Regions Cut By Slashes

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Aug 10 '24

959. Regions Cut By Slashes

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2 min read

Cover image for 1568. Minimum Number of Days to Disconnect Island

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Aug 12 '24

1568. Minimum Number of Days to Disconnect Island

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3 min read

Cover image for 703. Kth Largest Element in a Stream

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Aug 12 '24

703. Kth Largest Element in a Stream

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148 min read

MD ARIFUL HAQUE

Aug 13 '24

40. Combination Sum II

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2 min read

Cover image for 719. Find K-th Smallest Pair Distance

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Aug 14 '24

719. Find K-th Smallest Pair Distance

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3 min read

MD ARIFUL HAQUE

Aug 15 '24

860. Lemonade Change

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3 min read

Cover image for 624. Maximum Distance in Arrays

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Aug 16 '24

624. Maximum Distance in Arrays

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2 min read

Cover image for 1937. Maximum Number of Points with Cost

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Aug 17 '24

1937. Maximum Number of Points with Cost

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4 min read

MD ARIFUL HAQUE

Aug 19 '24

650. 2 Keys Keyboard

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1829. Maximum XOR for Each Query

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Nov 15 '24

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862. Shortest Subarray with Sum at Least K

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Nov 19 '24

2461. Maximum Sum of Distinct Subarrays With Length K

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1975. Maximum Matrix Sum

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1769. Minimum Number of Operations to Move All Balls to Each Box

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4 min read

Cover image for 1408. String Matching in an Array

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Jan 7

1408. String Matching in an Array

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3 min read

Cover image for 3042. Count Prefix and Suffix Pairs I

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Jan 8

3042. Count Prefix and Suffix Pairs I

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Cover image for 2185. Counting Words With a Given Prefix

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Jan 9

2185. Counting Words With a Given Prefix

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2 min read

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Jan 10

916. Word Subsets

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3 min read

Cover image for 1400. Construct K Palindrome Strings

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Jan 11

1400. Construct K Palindrome Strings

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3 min read

Cover image for 2116. Check if a Parentheses String Can Be Valid

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Jan 12

2116. Check if a Parentheses String Can Be Valid

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4 min read

Cover image for 3223. Minimum Length of String After Operations

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Jan 13

3223. Minimum Length of String After Operations

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3 min read

Cover image for 2657. Find the Prefix Common Array of Two Arrays

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Jan 14

2657. Find the Prefix Common Array of Two Arrays

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4 min read

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Jan 15

2429. Minimize XOR

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3 min read

Cover image for 2683. Neighboring Bitwise XOR

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Jan 17

2683. Neighboring Bitwise XOR

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3 min read

Cover image for 1368. Minimum Cost to Make at Least One Valid Path in a Grid

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Jan 18

1368. Minimum Cost to Make at Least One Valid Path in a Grid

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4 min read

Cover image for 407. Trapping Rain Water II

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Jan 19

407. Trapping Rain Water II

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4 min read

Cover image for 2661. First Completely Painted Row or Column

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Jan 20

2661. First Completely Painted Row or Column

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4 min read

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Jan 21

2017. Grid Game

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4 min read

Cover image for 1765. Map of Highest Peak

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Jan 22

1765. Map of Highest Peak

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12 min read

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Jan 22

542. 01 Matrix

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3 min read

Cover image for 1267. Count Servers that Communicate

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Jan 23

1267. Count Servers that Communicate

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3 min read

Cover image for 802. Find Eventual Safe States

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Jan 24

802. Find Eventual Safe States

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Jan 24

802. Find Eventual Safe States

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4 min read

Cover image for 2948. Make Lexicographically Smallest Array by Swapping Elements

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Jan 25

2948. Make Lexicographically Smallest Array by Swapping Elements

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5 min read

Cover image for 2127. Maximum Employees to Be Invited to a Meeting

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Jan 26

2127. Maximum Employees to Be Invited to a Meeting

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4 min read

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Jan 26

2127. Maximum Employees to Be Invited to a Meeting

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4 min read

Cover image for 1462. Course Schedule IV

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Jan 27

1462. Course Schedule IV

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4 min read

Cover image for 2658. Maximum Number of Fish in a Grid

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Jan 28

2658. Maximum Number of Fish in a Grid

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4 min read

Cover image for 684. Redundant Connection

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Jan 29

684. Redundant Connection

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4 min read

Cover image for 2493. Divide Nodes Into the Maximum Number of Groups

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Jan 30

2493. Divide Nodes Into the Maximum Number of Groups

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5 min read

Cover image for 827. Making A Large Island

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Jan 31

827. Making A Large Island

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3 min read

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Feb 1

3151. Special Array I

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2 min read

Cover image for 1752. Check if Array Is Sorted and Rotated

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Feb 2

1752. Check if Array Is Sorted and Rotated

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3 min read

Cover image for 3105. Longest Strictly Increasing or Strictly Decreasing Subarray

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Feb 3

3105. Longest Strictly Increasing or Strictly Decreasing Subarray

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3 min read

Cover image for 1800. Maximum Ascending Subarray Sum

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Feb 4

1800. Maximum Ascending Subarray Sum

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3 min read

Cover image for 1790. Check if One String Swap Can Make Strings Equal

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Feb 5

1790. Check if One String Swap Can Make Strings Equal

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3 min read

Cover image for 1726. Tuple with Same Product

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Feb 6

1726. Tuple with Same Product

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1

3 min read

Cover image for 3160. Find the Number of Distinct Colors Among the Balls

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Feb 7

3160. Find the Number of Distinct Colors Among the Balls

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4 min read

Cover image for 2349. Design a Number Container System

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Feb 8

2349. Design a Number Container System

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2

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Cover image for 2364. Count Number of Bad Pairs

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Feb 9

2364. Count Number of Bad Pairs

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3 min read

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Feb 10

3174. Clear Digits

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3 min read

Cover image for 1910. Remove All Occurrences of a Substring

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Feb 11

1910. Remove All Occurrences of a Substring

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3 min read

Cover image for 2342. Max Sum of a Pair With Equal Sum of Digits

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Feb 12

2342. Max Sum of a Pair With Equal Sum of Digits

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3 min read

Cover image for 1352. Product of the Last K Numbers

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Feb 14

1352. Product of the Last K Numbers

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4 min read

Cover image for 2698. Find the Punishment Number of an Integer

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Feb 15

2698. Find the Punishment Number of an Integer

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3 min read

Cover image for 1718. Construct the Lexicographically Largest Valid Sequence

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Feb 16

1718. Construct the Lexicographically Largest Valid Sequence

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3 min read

Cover image for 1079. Letter Tile Possibilities

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Feb 17

1079. Letter Tile Possibilities

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3 min read

Cover image for 2375. Construct Smallest Number From DI String

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Feb 18

2375. Construct Smallest Number From DI String

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3 min read

Cover image for 1415. The k-th Lexicographical String of All Happy Strings of Length n

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Feb 19

1415. The k-th Lexicographical String of All Happy Strings of Length n

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3 min read

Cover image for 1980. Find Unique Binary String

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Feb 20

1980. Find Unique Binary String

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3 min read

Cover image for 1261. Find Elements in a Contaminated Binary Tree

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Feb 21

1261. Find Elements in a Contaminated Binary Tree

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4 min read

Cover image for 1028. Recover a Tree From Preorder Traversal

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Feb 22

1028. Recover a Tree From Preorder Traversal

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3 min read

Cover image for 889. Construct Binary Tree from Preorder and Postorder Traversal

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Feb 23

889. Construct Binary Tree from Preorder and Postorder Traversal

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3 min read

Cover image for 2467. Most Profitable Path in a Tree

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Feb 24

2467. Most Profitable Path in a Tree

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5 min read

Cover image for 1524. Number of Sub-arrays With Odd Sum

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Feb 25

1524. Number of Sub-arrays With Odd Sum

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3 min read

Cover image for 1749. Maximum Absolute Sum of Any Subarray

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Feb 26

1749. Maximum Absolute Sum of Any Subarray

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3 min read

Cover image for 873. Length of Longest Fibonacci Subsequence

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Feb 27

873. Length of Longest Fibonacci Subsequence

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3 min read

Cover image for 1092. Shortest Common Supersequence

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Feb 28

1092. Shortest Common Supersequence

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3 min read

Cover image for 2460. Apply Operations to an Array

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Mar 1

2460. Apply Operations to an Array

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3 min read

Cover image for 2161. Partition Array According to Given Pivot

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Mar 3

2161. Partition Array According to Given Pivot

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4 min read

Cover image for 1780. Check if Number is a Sum of Powers of Three

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Mar 4

1780. Check if Number is a Sum of Powers of Three

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1

3 min read

Cover image for 2579. Count Total Number of Colored Cells

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Mar 5

2579. Count Total Number of Colored Cells

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3 min read

Cover image for 2965. Find Missing and Repeated Values

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Mar 6

2965. Find Missing and Repeated Values

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3 min read

Cover image for 2523. Closest Prime Numbers in Range

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Mar 7

2523. Closest Prime Numbers in Range

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3 min read

Cover image for 2379. Minimum Recolors to Get K Consecutive Black Blocks

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Mar 8

2379. Minimum Recolors to Get K Consecutive Black Blocks

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3 min read

Cover image for 3208. Alternating Groups II

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Mar 9

3208. Alternating Groups II

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4 min read

Cover image for 3306. Count of Substrings Containing Every Vowel and K Consonants II

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Mar 10

3306. Count of Substrings Containing Every Vowel and K Consonants II

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4 min read

Cover image for 1358. Number of Substrings Containing All Three Characters

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Mar 11

1358. Number of Substrings Containing All Three Characters

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3 min read

Cover image for 2529. Maximum Count of Positive Integer and Negative Integer

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Mar 12

2529. Maximum Count of Positive Integer and Negative Integer

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3 min read

Cover image for 3356. Zero Array Transformation II

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Mar 13

3356. Zero Array Transformation II

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4 min read

Cover image for 2226. Maximum Candies Allocated to K Children

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Mar 14

2226. Maximum Candies Allocated to K Children

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3 min read

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Mar 15

2560. House Robber IV

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4 min read

Cover image for 2594. Minimum Time to Repair Cars

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Mar 16

2594. Minimum Time to Repair Cars

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3 min read

Cover image for 2206. Divide Array Into Equal Pairs

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Mar 17

2206. Divide Array Into Equal Pairs

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3 min read

Cover image for 2401. Longest Nice Subarray

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Mar 18

2401. Longest Nice Subarray

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3 min read

Cover image for 3191. Minimum Operations to Make Binary Array Elements Equal to One I

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Mar 19

3191. Minimum Operations to Make Binary Array Elements Equal to One I

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3 min read

Cover image for 3108. Minimum Cost Walk in Weighted Graph

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Mar 20

3108. Minimum Cost Walk in Weighted Graph

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5 min read

Cover image for 2115. Find All Possible Recipes from Given Supplies

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Mar 21

2115. Find All Possible Recipes from Given Supplies

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4 min read

Cover image for 2685. Count the Number of Complete Components

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Mar 22

2685. Count the Number of Complete Components

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4 min read

Cover image for 1976. Number of Ways to Arrive at Destination

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Mar 23

1976. Number of Ways to Arrive at Destination

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4 min read

Cover image for 3169. Count Days Without Meetings

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Mar 24

3169. Count Days Without Meetings

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3 min read

Cover image for 3394. Check if Grid can be Cut into Sections

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Mar 25

3394. Check if Grid can be Cut into Sections

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4 min read

Cover image for 2033. Minimum Operations to Make a Uni-Value Grid

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Mar 26

2033. Minimum Operations to Make a Uni-Value Grid

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5 min read

Cover image for 2780. Minimum Index of a Valid Split

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Mar 27

2780. Minimum Index of a Valid Split

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4 min read

Cover image for 2503. Maximum Number of Points From Grid Queries

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Mar 28

2503. Maximum Number of Points From Grid Queries

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3 min read

Cover image for 2818. Apply Operations to Maximize Score

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Mar 29

2818. Apply Operations to Maximize Score

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5 min read

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Mar 30

763. Partition Labels

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3 min read

Cover image for 2551. Put Marbles in Bags

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Mar 31

2551. Put Marbles in Bags

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3 min read

Cover image for 2140. Solving Questions With Brainpower

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Apr 1

2140. Solving Questions With Brainpower

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4 min read

Cover image for 2873. Maximum Value of an Ordered Triplet I

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Apr 2

2873. Maximum Value of an Ordered Triplet I

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3 min read

Cover image for 2874. Maximum Value of an Ordered Triplet II

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Apr 3

2874. Maximum Value of an Ordered Triplet II

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3 min read

Cover image for 1123. Lowest Common Ancestor of Deepest Leaves

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Apr 4

1123. Lowest Common Ancestor of Deepest Leaves

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4 min read

Cover image for 368. Largest Divisible Subset

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Apr 6

368. Largest Divisible Subset

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3 min read

Cover image for 416. Partition Equal Subset Sum

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Apr 7

416. Partition Equal Subset Sum

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3 min read

Cover image for 3396. Minimum Number of Operations to Make Elements in Array Distinct

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Apr 8

3396. Minimum Number of Operations to Make Elements in Array Distinct

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3 min read

Cover image for 3375. Minimum Operations to Make Array Values Equal to K

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Apr 9

3375. Minimum Operations to Make Array Values Equal to K

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3 min read

Cover image for 2999. Count the Number of Powerful Integers

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Apr 10

2999. Count the Number of Powerful Integers

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4 min read

Cover image for 2843. Count Symmetric Integers

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Apr 11

2843. Count Symmetric Integers

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3 min read

Cover image for 3272. Find the Count of Good Integers

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Apr 12

3272. Find the Count of Good Integers

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3 min read

Cover image for 1922. Count Good Numbers

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Apr 13

1922. Count Good Numbers

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Cover image for 1534. Count Good Triplets

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Apr 14

1534. Count Good Triplets

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3 min read

Cover image for 2179. Count Good Triplets in an Array

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Apr 15

2179. Count Good Triplets in an Array

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4 min read

Cover image for 2537. Count the Number of Good Subarrays

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Apr 16

2537. Count the Number of Good Subarrays

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3 min read

Cover image for 2176. Count Equal and Divisible Pairs in an Array

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Apr 17

2176. Count Equal and Divisible Pairs in an Array

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3 min read

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Apr 18

38. Count and Say

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Apr 20

781. Rabbits in Forest

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Cover image for 2145. Count the Hidden Sequences

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Apr 21

2145. Count the Hidden Sequences

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4 min read

Cover image for 2338. Count the Number of Ideal Arrays

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Apr 22

2338. Count the Number of Ideal Arrays

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4 min read

Cover image for 1399. Count Largest Group

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Apr 23

1399. Count Largest Group

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2 min read

Cover image for 2799. Count Complete Subarrays in an Array

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Apr 24

2799. Count Complete Subarrays in an Array

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3 min read

Cover image for 2845. Count of Interesting Subarrays

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Apr 25

2845. Count of Interesting Subarrays

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4 min read

Cover image for 2444. Count Subarrays With Fixed Bounds

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Apr 26

2444. Count Subarrays With Fixed Bounds

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3 min read

Cover image for 3392. Count Subarrays of Length Three With a Condition

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Apr 27

3392. Count Subarrays of Length Three With a Condition

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2 min read

Cover image for 2302. Count Subarrays With Score Less Than K

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Apr 28

2302. Count Subarrays With Score Less Than K

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4 min read

Cover image for 2962. Count Subarrays Where Max Element Appears at Least K Times

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Apr 29

2962. Count Subarrays Where Max Element Appears at Least K Times

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3 min read

Cover image for 1295. Find Numbers with Even Number of Digits

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Apr 30

1295. Find Numbers with Even Number of Digits

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2 min read

Cover image for 2071. Maximum Number of Tasks You Can Assign

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May 1

2071. Maximum Number of Tasks You Can Assign

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May 2

838. Push Dominoes

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Cover image for 1007. Minimum Domino Rotations For Equal Row

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May 3

1007. Minimum Domino Rotations For Equal Row

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Cover image for 1128. Number of Equivalent Domino Pairs

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May 4

1128. Number of Equivalent Domino Pairs

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Cover image for 790. Domino and Tromino Tiling

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May 5

790. Domino and Tromino Tiling

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Cover image for 1920. Build Array from Permutation

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May 6

1920. Build Array from Permutation

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May 7

3341. Find Minimum Time to Reach Last Room I

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May 8

3342. Find Minimum Time to Reach Last Room II

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May 9

3343. Count Number of Balanced Permutations

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May 10

2918. Minimum Equal Sum of Two Arrays After Replacing Zeros

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Cover image for 2094. Finding 3-Digit Even Numbers

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May 12

2094. Finding 3-Digit Even Numbers

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Cover image for 3335. Total Characters in String After Transformations I

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May 13

3335. Total Characters in String After Transformations I

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3 min read

Cover image for 3337. Total Characters in String After Transformations II

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May 14

3337. Total Characters in String After Transformations II

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May 15

2900. Longest Unequal Adjacent Groups Subsequence I

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4 min read

Cover image for 2901. Longest Unequal Adjacent Groups Subsequence II

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May 16

2901. Longest Unequal Adjacent Groups Subsequence II

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5 min read

Cover image for 1931. Painting a Grid With Three Different Colors

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May 18

1931. Painting a Grid With Three Different Colors

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May 19

3024. Type of Triangle

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Cover image for 3355. Zero Array Transformation I

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May 20

3355. Zero Array Transformation I

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May 21

73. Set Matrix Zeroes

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Cover image for 3362. Zero Array Transformation III

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May 22

3362. Zero Array Transformation III

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Cover image for 2942. Find Words Containing Character

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May 24

2942. Find Words Containing Character

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Cover image for 2131. Longest Palindrome by Concatenating Two Letter Words

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May 25

2131. Longest Palindrome by Concatenating Two Letter Words

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Cover image for 1857. Largest Color Value in a Directed Graph

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May 26

1857. Largest Color Value in a Directed Graph

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4 min read

Cover image for 2894. Divisible and Non-divisible Sums Difference

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May 27

2894. Divisible and Non-divisible Sums Difference

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Cover image for 3372. Maximize the Number of Target Nodes After Connecting Trees I

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May 28

3372. Maximize the Number of Target Nodes After Connecting Trees I

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5 min read

Cover image for 3373. Maximize the Number of Target Nodes After Connecting Trees II

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May 29

3373. Maximize the Number of Target Nodes After Connecting Trees II

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Cover image for 2359. Find Closest Node to Given Two Nodes

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May 30

2359. Find Closest Node to Given Two Nodes

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May 31

909. Snakes and Ladders

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Cover image for 2929. Distribute Candies Among Children II

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Jun 1

2929. Distribute Candies Among Children II

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Jun 2

135. Candy

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Cover image for 1298. Maximum Candies You Can Get from Boxes

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Jun 3

1298. Maximum Candies You Can Get from Boxes

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Jun 4

3403. Find the Lexicographically Largest String From the Box I

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4 min read

Cover image for 1061. Lexicographically Smallest Equivalent String

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Jun 5

1061. Lexicographically Smallest Equivalent String

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4 min read

Cover image for 2434. Using a Robot to Print the Lexicographically Smallest String

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Jun 6

2434. Using a Robot to Print the Lexicographically Smallest String

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4 min read

Cover image for 3170. Lexicographically Minimum String After Removing Stars

MD ARIFUL HAQUE

Jun 7

3170. Lexicographically Minimum String After Removing Stars

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2

4 min read

Cover image for 3442. Maximum Difference Between Even and Odd Frequency I

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Jun 10

3442. Maximum Difference Between Even and Odd Frequency I

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3 min read

Cover image for 3445. Maximum Difference Between Even and Odd Frequency II

MD ARIFUL HAQUE

Jun 11

3445. Maximum Difference Between Even and Odd Frequency II

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4 min read

Cover image for 3423. Maximum Difference Between Adjacent Elements in a Circular Array

MD ARIFUL HAQUE

Jun 12

3423. Maximum Difference Between Adjacent Elements in a Circular Array

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3 min read

Cover image for 2616. Minimize the Maximum Difference of Pairs

MD ARIFUL HAQUE

Jun 13

2616. Minimize the Maximum Difference of Pairs

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4 min read

Cover image for 2566. Maximum Difference by Remapping a Digit

MD ARIFUL HAQUE

Jun 14

2566. Maximum Difference by Remapping a Digit

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3 min read

Cover image for 2016. Maximum Difference Between Increasing Elements

MD ARIFUL HAQUE

Jun 16

2016. Maximum Difference Between Increasing Elements

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3 min read

Cover image for 3405. Count the Number of Arrays with K Matching Adjacent Elements

MD ARIFUL HAQUE

Jun 17

3405. Count the Number of Arrays with K Matching Adjacent Elements

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1

4 min read

Cover image for 2966. Divide Array Into Arrays With Max Difference

MD ARIFUL HAQUE

Jun 18

2966. Divide Array Into Arrays With Max Difference

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4 min read

Cover image for 2294. Partition Array Such That Maximum Difference Is K

MD ARIFUL HAQUE

Jun 19

2294. Partition Array Such That Maximum Difference Is K

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4 min read

Cover image for 3443. Maximum Manhattan Distance After K Changes

MD ARIFUL HAQUE

Jun 20

3443. Maximum Manhattan Distance After K Changes

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4 min read

Cover image for 3085. Minimum Deletions to Make String K-Special

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Jun 21

3085. Minimum Deletions to Make String K-Special

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4 min read

Cover image for 2138. Divide a String Into Groups of Size k

MD ARIFUL HAQUE

Jun 22

2138. Divide a String Into Groups of Size k

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4 min read

Cover image for 2081. Sum of k-Mirror Numbers

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Jun 23

2081. Sum of k-Mirror Numbers

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4 min read

Cover image for 2200. Find All K-Distant Indices in an Array

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Jun 24

2200. Find All K-Distant Indices in an Array

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4 min read

Cover image for 2040. Kth Smallest Product of Two Sorted Arrays

MD ARIFUL HAQUE

Jun 25

2040. Kth Smallest Product of Two Sorted Arrays

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4 min read

Cover image for 2311. Longest Binary Subsequence Less Than or Equal to K

MD ARIFUL HAQUE

Jun 26

2311. Longest Binary Subsequence Less Than or Equal to K

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4 min read

Cover image for 2014. Longest Subsequence Repeated k Times

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Jun 27

2014. Longest Subsequence Repeated k Times

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4 min read

Cover image for 2099. Find Subsequence of Length K With the Largest Sum

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Jun 28

2099. Find Subsequence of Length K With the Largest Sum

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4 min read

Cover image for 1498. Number of Subsequences That Satisfy the Given Sum Condition

MD ARIFUL HAQUE

Jun 29

1498. Number of Subsequences That Satisfy the Given Sum Condition

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4 min read

Cover image for 594. Longest Harmonious Subsequence

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Jun 30

594. Longest Harmonious Subsequence

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3 min read

Cover image for 3330. Find the Original Typed String I

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Jul 1

3330. Find the Original Typed String I

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3 min read

Cover image for 3333. Find the Original Typed String II

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Jul 2

3333. Find the Original Typed String II

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4 min read

Cover image for 3304. Find the K-th Character in String Game I

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Jul 3

3304. Find the K-th Character in String Game I

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3 min read

Cover image for 3307. Find the K-th Character in String Game II

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Jul 4

3307. Find the K-th Character in String Game II

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5 min read

Cover image for 1394. Find Lucky Integer in an Array

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Jul 5

1394. Find Lucky Integer in an Array

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3 min read

Cover image for 1865. Finding Pairs With a Certain Sum

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Jul 6

1865. Finding Pairs With a Certain Sum

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4 min read

Cover image for 1353. Maximum Number of Events That Can Be Attended

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Jul 7

1353. Maximum Number of Events That Can Be Attended

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4 min read

Cover image for 1751. Maximum Number of Events That Can Be Attended II

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Jul 8

1751. Maximum Number of Events That Can Be Attended II

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5 min read

Cover image for 3439. Reschedule Meetings for Maximum Free Time I

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Jul 9

3439. Reschedule Meetings for Maximum Free Time I

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4 min read

MD ARIFUL HAQUE

Jul 11

2402. Meeting Rooms III

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5 min read

Cover image for 1900. The Earliest and Latest Rounds Where Players Compete

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Jul 12

1900. The Earliest and Latest Rounds Where Players Compete

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4 min read

Cover image for 2410. Maximum Matching of Players With Trainers

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Jul 13

2410. Maximum Matching of Players With Trainers

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4 min read

Cover image for 1290. Convert Binary Number in a Linked List to Integer

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Jul 14

1290. Convert Binary Number in a Linked List to Integer

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3 min read

MD ARIFUL HAQUE

Jul 15

3136. Valid Word

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3 min read

Cover image for 3201. Find the Maximum Length of Valid Subsequence I

MD ARIFUL HAQUE

Jul 16

3201. Find the Maximum Length of Valid Subsequence I

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