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# dsa

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Move Zeroes

Move Zeroes

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1 min read
Valid Parentheses

Valid Parentheses

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1 min read
Maximum Level Sum of a Binary Tree

Maximum Level Sum of a Binary Tree

1
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1 min read
Minimum Remove to Make Valid Parentheses

Minimum Remove to Make Valid Parentheses

1
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1 min read
Maximum Nesting Depth of the Parentheses

Maximum Nesting Depth of the Parentheses

1
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1 min read
Find Mode in Binary Search Tree

Find Mode in Binary Search Tree

1
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1 min read
Coin Change

Coin Change

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1 min read
Smallest Subsequence of Distinct Characters

Smallest Subsequence of Distinct Characters

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1 min read
Construct String With Repeat Limit

Construct String With Repeat Limit

1
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2 min read
Substrings of Size Three with Distinct Characters

Substrings of Size Three with Distinct Characters

1
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1 min read
Merge Intervals

Merge Intervals

1
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1 min read
Generate Parentheses

Generate Parentheses

1
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1 min read
Partition List

Partition List

1
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1 min read
Maximum Difference Between Increasing Elements

Maximum Difference Between Increasing Elements

1
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1 min read
Find Minimum in Rotated Sorted Array

Find Minimum in Rotated Sorted Array

1
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2 min read
Greatest Sum Divisible by Three

Greatest Sum Divisible by Three

4
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1 min read
Kth Largest Element in an Array

Kth Largest Element in an Array

4
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1 min read
Count Nodes Equal to Average of Subtree

Count Nodes Equal to Average of Subtree

4
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2 min read
Strong Password Checker II

Strong Password Checker II

4
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1 min read
Count of Smaller Numbers After Self

Count of Smaller Numbers After Self

4
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1 min read
Java and Object Oriented Programming [#1]

Java and Object Oriented Programming [#1]

9
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3 min read
Assign Cookies

Assign Cookies

3
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1 min read
Remove Duplicates from Sorted Array

Remove Duplicates from Sorted Array

3
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2 min read
Count Hills and Valleys in an Array

Count Hills and Valleys in an Array

4
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3 min read
Minimum Operations to Reduce X to Zero

Minimum Operations to Reduce X to Zero

4
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1 min read
Richest Customer Wealth

Richest Customer Wealth

3
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1 min read
Delete Operation for Two Strings

Delete Operation for Two Strings

4
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1 min read
Kth Missing Positive Number

Kth Missing Positive Number

4
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1 min read
All Elements in Two Binary Search Trees

All Elements in Two Binary Search Trees

4
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1 min read
Interleaving String

Interleaving String

4
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2 min read
Minimum Path Sum

Minimum Path Sum

3
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1 min read
Combination Sum III

Combination Sum III

4
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1 min read
Construct String from Binary Tree

Construct String from Binary Tree

4
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1 min read
Maximum Binary Tree II

Maximum Binary Tree II

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2 min read
Univalued Binary Tree

Univalued Binary Tree

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1 min read
Subtree of Another Tree

Subtree of Another Tree

5
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1 min read
Longest Uncommon Subsequence I

Longest Uncommon Subsequence I

3
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1 min read
Flip Equivalent Binary Trees

Flip Equivalent Binary Trees

1
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1 min read
Next Permutation

Next Permutation

1
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2 min read
Same Tree

Same Tree

4
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1 min read
Search in Rotated Sorted Array

Search in Rotated Sorted Array

8
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2 min read
Positions of Large Groups

Positions of Large Groups

4
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1 min read
Binary Tree Pruning

Binary Tree Pruning

4
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1 min read
Kth Smallest Element in a Sorted Matrix

Kth Smallest Element in a Sorted Matrix

3
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1 min read
Find All K-Distant Indices in an Array

Find All K-Distant Indices in an Array

4
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2 min read
Largest Combination With Bitwise AND Greater Than Zero

Largest Combination With Bitwise AND Greater Than Zero

4
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1 min read
Count the Hidden Sequences

Count the Hidden Sequences

4
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2 min read
Transpose Matrix

Transpose Matrix

2
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1 min read
Gray Code

Gray Code

4
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1 min read
Leaf-Similar Trees

Leaf-Similar Trees

3
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1 min read
Maximum 69 Number

Maximum 69 Number

5
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1 min read
Divide Array Into Equal Pairs

Divide Array Into Equal Pairs

3
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1 min read
Maximal Square

Maximal Square

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1 min read
Min Cost to Connect All Points

Min Cost to Connect All Points

4
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2 min read
Sort Array By Parity

Sort Array By Parity

4
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1 min read
Find Target Indices After Sorting Array

Find Target Indices After Sorting Array

5
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1 min read
Minimum Number of Swaps to Make the String Balanced

Minimum Number of Swaps to Make the String Balanced

6
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1 min read
Merge Two Binary Trees

Merge Two Binary Trees

4
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2 min read
Most Common Word

Most Common Word

4
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1 min read
Fibonacci Number

Fibonacci Number

4
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1 min read
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