leetcode problem 9: Palindrome Number classSolution {public:boolisPalindrome(intx) {intret =0;while(x >ret){intremainder = x %10;if(remainder ==0&& ret ==0){returnfalse; } ret*=10; ret+=remainder;if(x ==ret){returntrue; } x/=10; }if(x ==ret){returntrue; }returnfalse; } ...
NO.9 简单 (181. 超过经理收入的员工) leetcode-cn.com/problem # 自连接,将经理和对应的员工处于同一行,再比较即可。 SELECT e1.Name AS 'Employee' FROM Employee e1 JOIN Employee e2 ON e1.ManagerId = e2.Id WHERE e1.Salary > e2.Salary NO.10 困难 (262. 行程和用户) leetcode-cn.com/...
117. 填充每个节点的下一个右侧节点指针 II - 给定一个二叉树: struct Node { int val; Node *left; Node *right; Node *next; } 填充它的每个 next 指针,让这个指针指向其下一个右侧节点。如果找不到下一个右侧节点,则将 next 指针设置为 NULL 。 初始状态
Dearboy, a goods victualer, now comes to a big problem, and he needs your help. In his sale area there are N shopkeepers (marked from 1 to N) which stocks goods from him.Dearboy has M supply places (marked from 1 to M), each provides K different kinds of goods (marked from 1 ...
输入: 上边界left = 1, 下边界right = 22 输出: [1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 15, 22] 注意: 每个输入参数的边界满足1 <= left <= right <= 10000。 贡献者: LeetCode 题目难度:Easy 通过率:70.20% 相关话题 数学
Explanation: The longest harmonious subsequences are[1,2],[2,3], and[3,4], all of which have a length of 2. Example 3: Input:nums = [1,1,1,1] Output:0 Explanation: No harmonic subsequence exists. Constraints: 1 <= nums.length <= 2 * 104 ...
Each of the digits1-9must occur exactly once in each row. Each of the digits1-9must occur exactly once in each column. Each of the digits1-9must occur exactly once in each of the 93x3sub-boxes of the grid. The'.'character indicates empty cells. ...
feat: add sql solution to lc problem: No.3451 (#4057) Feb 13, 2025 .prettierrc feat: add solutions to lc problem: No.2101 (#3147) Jun 22, 2024 CODE_OF_CONDUCT.md style: format code and documents Feb 15, 2022 Dockerfile chore: add Dockerfile (#3229) Jul 9, 2024 ...
leetcode problem 3sum 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 classSolution { public: vector<vector<int>> threeSum(vector<int>& nums) {...
Leetcode No. 14 最长公共前缀 Problem Solving Code(c++) Problem 编写一个函数来查找字符串数组中的最长公共前缀。 如果不存在公共前缀,返回空字符串 “”。 示例 输入输出解释 [“flower”,“flow”,“flight”] “fl” 公共前缀fl [“dog”,“racecar”,“car”] “” 没有相同前缀,返回"" 所有输入只...