摘要: #include<bits/stdc++.h> #define ll long long #define ull unsigned long long #define ld long double #define gcd(a,b) __gcd(a,b) using namespace std; co 阅读全文
posted @ 2023-08-15 22:44 Kudo_Shinich 阅读(33) 评论(0) 推荐(0)