1679. Max Number of K-Sum Pairs # 题目 # You are given an integer array nums and an integer k. In one operation, you can pick two numbers from the array whose sum equals k and remove them from the array. Return the maximum number of operations you can
My Solutions to Leetcode problems. All solutions support C++ language, some support Java and Python. Multiple solutions will be given by most problems. Enjoy:) 我的Leetcode解答。所有的问题都支持C++语言,一部分问题支持Java语言。近乎所有问题都会提供多个算
No node in the tree stores the key associated with that node; instead, its position in the tree defines the key with which it is associated. All the descendants of a node have a common prefix of the String associated with that node, and the root is associated with the empty String....
0111-Minimum-Depth-of-Binary-Tree 0112-Path-Sum 0113-Path-Sum-II 0115-Distinct-Subsequences 0116-Populating-Next-Right-Pointers-in-Each-Node 0117-Populating-Next-Right-Pointers-in-Each-Node-II 0118-Pascals-Triangle 0119-Pascals-Triangle-II 0120-Triangle 0121-Best-Time-...