ac zhyf · 发布于 2025-08-17 · 浏览 476 回复 1 include <bits/stdc++.h> using namespace std; int main() { int cnt = 0, ans = 0, n; cin >> n; while (n) { cnt++; if (n % 3 == 1 && ans == 0) { ans = cnt; } n -= (n + 2) / 3; } cout << cnt << " " << ans; return 0; }