摘要：
最开始接触string是因为它可以很方便的查找是不是字串 下面一一讲解1.定义：string s; cin>>s; 或者string s="abcdef";2.基本用法 长度 s.size(); 把s2复制到s1中strcpy(s1,s2); ... 阅读全文
摘要：
一：Allen wants to enter a fan zone that occupies a round square and has n entrances.There already is a queue of ai people in front of t... 阅读全文