摘要: # T1 上来直接秒了组合数 ```cpp #include #define ll long long #define gt getchar using namespace std; inline ll read() { ll x = 0, f = 1;char ch = gt(); while(! 阅读全文
posted @ 2023-08-22 21:49 Qinzh 阅读(29) 评论(0) 推荐(0)