开门人和关门人 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 11133 Accepted Submission(s): 5667 Problem Description 每天第一个到机房的人要把门打开.最后一个离开的人要把门关好.现有一堆杂乱的机房签 到.签离记录,请依据记录找出当天开门和关门的人. Input 測试输…
题目描写叙述:翻转句子中单词的顺序.但单词内字符的顺序不变.句子中单词以空格符隔开. 为简单起见,标点符号和普通字母一样处理.如:"I am a student."翻转成"student. a am I". #include <iostream> #include<assert.h> #include<cstring> using namespace std; void swap(char &a, char &b)…
Twin Prime Conjecture Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1898 Accepted Submission(s): 592 P…