短发控丶

摘要： Chef's best friend Jerry gives Chef a string A and wants to know the number of string A that can be obtained from another string B. A is made up of un 阅读全文

摘要： 1 #include <iostream> //万能头文件#include<bits/stdc++.h> 方便时用 2 #include <algorithm> 3 #include <cmath> 4 #include <cstring> 5 #include <cstdio> 6 #includ 阅读全文

摘要： 快速全排列的函数 头文件<algorithm> find 搜寻失败会返回 string::npos 的值 string 的 erase() 删除函数 一个应用的题目，暑假集训第一周比赛 ：17-比赛1 B - 子串计算 string的运用 string类的构造函数： string(const cha 阅读全文

摘要： A Ducci sequence is a sequence of n-tuples of integers. Given an n-tuple of integers (a1, a2, · · · , an), the next n-tuple in the sequence is formed 阅读全文

摘要： You are working in a team that writes Incredibly Customizable Programming Codewriter (ICPC) which is basically a text editor with bells and whistles. 阅读全文