题目描述 给出含有n个整数的数组s，找出s中和加起来的和最接近给定的目标值的三个整数。返回这三个整数的和。你可以假设每个输入都只有唯一解。 例如，给定的整数 S = {-1 2 1 -4}, 目标值 = 1.?? 最接近目标值的和为 2. (-1 + 2 + 1 = 2). Given an arr ...
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其他好文 时间：
2020-04-23 22:45:49
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60
You are given a string ss consisting of lowercase Latin letters. Let the length of ss be |s||s|. You may perform several operations on this string. In ...
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其他好文 时间：
2020-04-23 22:44:20
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64
题目描述 Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. According to the definition of LCA on Wikipedia: “The ...
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2020-04-23 00:51:39
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73
Leetcode 560 Subarry Sum Equals K Given an array of integers and an integer k, you need to find the total number of continuous subarrays whose sum equ ...
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2020-04-22 20:19:06
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65
Suppose that all the keys in a binary tree are distinct positive integers. A unique binary tree can be determined by a given pair of postorder and ino ...
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2020-04-22 12:51:03
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65
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. N ...
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2020-04-22 10:01:42
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64
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree [1,2,2,3,4,4,3] is symmet ...
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2020-04-22 09:28:17
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63
题目描述 Given an array nums, there is a sliding window of size k which is moving from the very left of the array to the very right. You can only see the ...
Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have ex ...
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其他好文 时间：
2020-04-21 18:36:52
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67
题目描述 总时间限制: 15000ms 单个测试点时间限制: 5000ms 内存限制: 228000kB 描述 The SUM problem can be formulated as follows: given four lists A, B, C, D of integer values, c ...
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其他好文 时间：
2020-04-21 15:23:40
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62
