摘要：
Codeforces Round 911 (Div. 2) A - Cover in Water int main() { IOS; for (cin >> _; _; --_) { cin >> n >> s + 1; int ans = 0; bool f = 0; for (int i = 1 阅读全文
摘要：
Daiwa Securities Co. Ltd. Programming Contest 2023（AtCoder Beginner Contest 331） A - Tomorrow int main() { IOS; for (_ = 1; _; --_) { int M, D, y, m, 阅读全文