摘要:
https://codeforces.com/problemset/problem/2061/C #include<bits/stdc++.h> using namespace std; #define endl '\n' using ll = long long; using pii = pair 阅读全文
2025年1月23日
摘要:
https://codeforces.com/problemset/problem/2063/C #include<bits/stdc++.h> using namespace std; #define endl '\n' using ll = long long; using pii = pair 阅读全文
摘要:
https://codeforces.com/problemset/problem/2055/D #include<bits/stdc++.h> using namespace std; #define endl '\n' using ll = long long; using pii = pair 阅读全文