原题链接在这里:https://leetcode.com/problems/friends-of-appropriate-ages/ 题目: Some people will make friend requests. The list of their ages is given and ages[i] is the age of the ith person. Person A will NOT friend request person B (B != A) if any of the f…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/friends-of-appropriate-ages/description/ 题目描述: Some people will make friend requests. The list of their ages is given and ages[i] is the age of the ith person.…

825. 适龄的朋友 人们会互相发送好友请求,现在给定一个包含有他们年龄的数组,ages[i] 表示第 i 个人的年龄. 当满足以下条件时,A 不能给 B(A.B不为同一人)发送好友请求: age[B] <= 0.5 * age[A] + 7 age[B] > age[A] age[B] > 100 && age[A] < 100 否则,A 可以给 B 发送好友请求. 注意如果 A 向 B 发出了请求,不等于 B 也一定会向 A 发出请求.而且,人们不会给自己发送好…

［抄题］: Some people will make friend requests. The list of their ages is given and ages[i] is the age of the ith person. Person A will NOT friend request person B (B != A) if any of the following conditions are true: age[B] <= 0.5 * age[A] + 7 age[B] >…

All LeetCode Questions List(Part of Answers, still updating) 题目汇总及部分答案(持续更新中) Leetcode problems classified by company 题目按公司分类(Last updated: October 2, 2017) .   Top Interview Questions # Title Difficulty Acceptance 1 Two Sum Medium 17.70% 2 Add Two N…

Some people will make friend requests. The list of their ages is given and ages[i] is the age of the ith person. Person A will NOT friend request person B (B != A) if any of the following conditions are true: age[B] <= 0.5 * age[A] + 7 age[B] > age[…

957. N 天后的牢房 思路: 模拟变换,当N天结合后返回 => 当N非常大的时候,超时 => 一般N很大的时候,这种题目必然存在循环,所以记录找过的状态,一旦出现已经访问过的状态可立即跳出循环. class Solution: def prisonAfterNDays(self, cells, N: int): vis = [] while 1: if not N: return cells if cells in vis: ind = vis.index(cells) break tce…

请点击页面左上角 -> Fork me on Github 或直接访问本项目Github地址:LeetCode Solution by Swift    说明:题目中含有$符号则为付费题目. 如:[Swift]LeetCode156.二叉树的上下颠倒 $ Binary Tree Upside Down 请下拉滚动条查看最新 Weekly Contest!!! Swift LeetCode 目录 | Catalog 序        号 题名Title 难度     Difficulty  两数之…

Some people will make friend requests. The list of their ages is given and ages[i] is the age of the ith person. Person A will NOT friend request person B (B != A) if any of the following conditions are true: age[B] <= 0.5 * age[A] + 7 age[B] > age[…

Contest 81 (2018年11月8日,周四,凌晨) 链接:https://leetcode.com/contest/weekly-contest-81 比赛情况记录:结果:3/4, ranking: 440/2797.这次题目似乎比较简单,因为我比赛的时候前三题全做出来了(1:12:39),然后第四题有思路,正在写,没写完,比赛完了写完提交也对了. [821]Shortest Distance to a Character(第一题 4分) 给了一个单词(字符串)s,和单词中的任意一个字母…