摘要: #include #include #include #include #include #include #define ll long long using namespace std; inline int read() { int x=0,f=1; char ch=getchar(); while(!isdigit(ch)){if(ch=='-')f=-f;ch=... 阅读全文
posted @ 2017-11-09 16:24 探险家Mr.H 阅读(232) 评论(0) 推荐(0) 编辑