#include <bits/stdc++.h>   using namespace std;   int main() {     long long num, tmp, sum, mx, l, r, mid;     cin >> num;     mx = sum = 0;     for (int i = 0; i < num; i++) {       cin >> tmp;       sum += tmp;       mx = max(mx, tmp);     }     l = mx;     r = sum;     while (l < r) {       mid = (l + r) / 2;       if (mid * num - sum >= mid)         r = mid;       else         l = mid + 1;     }     cout << l;     return 0;   }   