摘要:
A 分块, 签到 int main() { IOS; int cas = 0; for (cin >> _; _; --_) { cin >> n; __int128 cur = 0; for (int i = 1, j; i <= n; i = j + 1) { j = min(n, n / (n 阅读全文
摘要:
A 读错提了, A, B都是从1开始 int main() { IOS; ll n;__int128 a = 3; cin >> n; for (int i = 1, j = 1; a < n; ++i, a *= 3, j = 1) { __int128 b = 5; for (; a + b < 阅读全文