摘要: A - Takahashi san 2 思路 取末三位的子串判断即可; AC代码 #include<bits/stdc++.h> #define endl '\n' #define int int long long #define pb push_back #define bs bitset us 阅读全文
posted @ 2024-10-06 06:44 Oaths 阅读(85) 评论(0) 推荐(0)