摘要: #include #define maxn 500005 //#define int long long using namespace std; inline int read() { char x = getchar(); int lin = 0, f = 1; while(x '9') { if(x == '-') f = -1; ... 阅读全文
posted @ 2018-11-08 09:37 cc123321 阅读(187) 评论(0) 推荐(0) 编辑