1016. Phone Bills (25) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue A long-distance telephone company charges its customers by the following rules:
DFS加回溯 具体见注释 Prime Ring Problem #include <iostream>using namespace std;int n,circle[20],p[20];bool visited[20];int prime[]={1,3,5,7,11,13,17,19,23,29,31,37};//建立素数表,避免每次判断,减少时耗void print(int
1016. Binary String With Substrings Representing 1 To N Binary String With Substrings Representing 1 To N python solution 题目描述 Given a binary string S (a string consisting only of ‘0’ and '1’s) and