当然堆中的元素不一定只是单纯的一个数。 题目链接:查找和最小的K对数字 - 力扣(LeetCode) 题目描述:给定两个以升序排列的整形数组 nums1 和 nums2, 以及一个整数 k。定义一对值 (u,v),其中第一个元素来自 nu…
append(child) # Should have no cycle problem (it's alien language) return str(sorted_order) solution = Solution() print(solution.alien_dictionary(["ywx", "wz", "xww", "xz", "zyy", "zwz"])) 总结 关于多路并归的堆,我认为它在LeetCode上的套路是比较明显了。个人认为,如果满足了以下...
(,, ): HDU 1542 Atlantis update: query: HDU 1828 Picture update: query: Title Solution Difficulty Time Space O(n log 218. The Skyline Problem Go Hard O(n) n) 307. Range Sum Query - Go Hard O(1) O(n) Mutable 315. Count of Smaller O(n log Go Hard O(n) Numbers After Self ...
365 水壶问题 - Water and Jug Problem C# C++ Java Python Medium 364 C# C++ Java Python Medium 363 矩形区域不超过 K 的最大数值和 - Max Sum of Rectangle No Larger Than K C# C++ Java Python Hard 362 C# C++ Java Python Medium 361 C# C++ Java Python Medium 360 C# C++ Java Python Medium...
1. Array# 基础 27Remove Element 26Remove Duplicates from Sorted Array 80Remove Duplicates from Sorted Array II 277Find the Celebrity 189Rotate Array 41First Missing Positive 299Bulls and Cows 134Gas Station 118Pascal's Triangle很少考 119Pascal's Triangle II很少考 ...
// since user 1 is no longer following user 2. twitter.getNewsFeed(1); 题解:用个 unordered_map 标记用户关系,然后一个 vector 存储 twitter post View Code 【358】 Rearrange String k Distance Apart 【373】 Find K Pairs with Smallest Sums (2018年12月1日) ...
373 Find K Pairs with Smallest Sums Algorithms Medium 372 Super Pow Algorithms Medium 371 Sum of Two Integers Algorithms Easy 368 Largest Divisible Subset Algorithms Medium 367 Valid Perfect Square Algorithms Medium 365 Water and Jug Problem Algorithms Medium 363 Max Sum of Rectangle No Larger Than...
51.N-Queens Hard The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other. Given an integer n, return all distinct solutions to the n-queens puzzle. Each solution contains a distinct board configuration of the n-queens ...
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数独合法性判断。 模拟题,直接用位运算代替hash了,注意细节问题不是太大。 代码语言:javascript 代码运行次数:0 AI代码解释 classSolution{public:boolisValidSudoku(vector<vector<char>>&board){int cnt=0;for(int i=0;i<7;i+=3){for(int j=0;j<7;j+=3){//9宫格int vis=0,vis1=0,vis2=0;fo...