func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MAXN = 1e5 + 10;   int arr[MAXN];   int main() {     int N, ans = 0;     cin >> N;     for (int i = 0; i < N; i++) cin >> arr[i];     sort(arr, arr + N);     for (int i = 0, j = 1; i < N; i++) {       while (arr[i] >= arr[j] && j <= N - 1) j++;       if (j == N) break;       ans++;       j++;     }     cout << ans << endl;     return 0;   }   