It contains the solutions of Leetcode July Challenge 2021

Link to the contest : Click:triangular_flag_on_post:

Problem Name	Click to open the Problem
Find Leaves of Binary Tree
Gray Code
Find K Closest Elements
Max Sum of Rectangle No Larger Than K
Count Vowels Permutation
Reshape The Matrix
Reduce Array Size to The Half
Kth Smallest Element in a Sorted Matrix
Reverse Words in a String II
Maximum Length of Repeated Subarray
Longest Increasing Subsequence
Decode Ways II
Decode Ways II
Isomorphic Strings
Find Peak Element
Custom Sort String
Range Addition
Valid Triangle Number
Three Equal Parts
Reverse Nodes in k-Group
Lowest Common Ancestor of a Binary Search Tree
Shuffle an Array
Push Dominoes
Partition Array into Disjoint Intervals
Binary Tree Pruning
Word Ladder II
Non-negative Integers without Consecutive Ones
Convert Sorted Array to Binary Search Tree
Beautiful Array
Binary Tree Longest Consecutive Sequence II
01 Matrix
Map Sum Pairs
Trapping Rain Water