路标设置 二分枚举"空旷指数", 做法与跳石头类似. #include <iostream> #include <cstdio> #include <algorithm> using namespace std; //Mystery_Sky // #define M 10000100 #define INF 0x7f7f7f7f #define ll long long ll l, r, mid; int L, n, k; int a[M]; inl…
LeetCode 2 Add Two Sum 解题报告 LeetCode第二题 Add Two Sum 首先我们看题目要求: You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return…
描述 Follow up for "Remove Duplicates": What if duplicates are allowed at most twice? For example, Given sorted array A = [1,1,1,2,2,3], Your function should return length = 5, and A is now [1,1,2,2,3] 解法一 要解该题,只需要在上一题(leetcode解题报告(1):Remove Dupli…
[LeetCode]722. Remove Comments 解题报告(Python) 标签: LeetCode 题目地址:https://leetcode.com/problems/remove-comments/description/ 题目描述: Given a C++ program, remove comments from it. The program source is an array where source[i] is the i-th line of the source…
[LeetCode]623. Add One Row to Tree 解题报告(Python) 标签(空格分隔): LeetCode 题目地址:https://leetcode.com/problems/add-one-row-to-tree/description/ 题目描述: Given the root of a binary tree, then value v and depth d, you need to add a row of nodes with value v at the…
作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 并查集 日期 题目地址:https://leetcode.com/problems/redundant-connection/description/ 题目描述 In this problem, a tree is an undirected graph that is connected and has no cycles. The given i…