The problem has two: 1(accomplished)how to write main funtion ,Fortunately,I got a main example.But this main function's input order has problem.So the answer always wrong,It's really confused me.The main problem is cnt this count variable.++cnt&&cnt++ can cause a lot of problem. 2.O...
DailyProblem Maximum Depth of Binary Tree Jul 28, 2020 Interview Search Insert Position Jul 17, 2020 InterviewPrepare Pascal's Triangle Jan 14, 2022 List 解决LeetCode.33题,注意数组里有一个值和有两个值的特殊情况; May 8, 2017 PowerOfX 解决LeetCode342题; Oct 25, 2016 ...
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（1）处理开头空格，通过while循环把开头的所有空格都去除掉；（2）处理正负符号，判断是否包含+/-号，...
365 Water and Jug Problem Solution Medium Math 364 Nested List Weight Sum II Solution Medium DFS 363 Max Sum of Rectangle No Larger Than K Solution Hard DP 362 Design Hit Counter Solution Medium Design 361 Bomb Enemy Solution Medium 360 Sort Transformed Array Solution Medium Two Pointers, Math...
NO.1 简单 (175. 组合两个表) https://leetcode-cn.com/problems/combine-two-tables/ # 因为题目要求无论 person 是否有地址信息,所以不能用join,要用left join select FirstName, LastName, City, State from Person left join Address on Person.PersonId=Address.PersonId ...
今天在使用leetcode做合并区间的问题的时候出现了peek problem no quick fixes available的问题; 问题见下面: for(autoiter= intervals.begin();iter!=intervals.end();iter++) 我使用for语句就会产生问题。 解决方法: vector<vector<int>>::intervals iter;while(iter != intervals.end()) ...
请你设计并实现一个满足LRU (最近最少使用) 缓存约束的数据结构。 实现LRUCache类: LRUCache(int capacity)以正整数作为容量capacity初始化 LRU 缓存 int get(int key)如果关键字key存在于缓存中,则返回关键字的值,否则返回-1。 void put(int key, int value)如果关键字key已经存在,则变更其数据值value;如果...
The Skyline Problem 219. Contains Duplicate II 220. Contains Duplicate III 222. Count Complete Tree Nodes 223. Rectangle Area 224. Basic Calculator 225. Implement Stack using Queues 226. Invert Binary Tree 229. Majority Element II 230. Kth Smallest Element in a BST 231. Power of Two 232. ...
挣扎了一段时间,就去讨论区看解答(https://leetcode.com/problems/strong-password-checker/discuss/91003/O(n%29-java-solution-by-analyzing-changes-allowed-to-fix-each-problem)去了: 代码语言:javascript 复制 class Solution { public int strongPasswordChecker(String s) { int res = 0, a = 1, A...