Y · 发布于 2025-10-05 · 浏览 287 回复 0

int n;
cin >> n;
int cnt = 0;
int ans = 0;
while(n){
    cnt++;
    if(!ans && n%3 == 1) ans = cnt;
    n = n - (n+2)/3;
}
cout << cnt <<" " << ans;
return 0;