pro.cc

#include <iostream>
 
using namespace std;
 
const int m = 1001;
 
int main() {
    ios_base::sync_with_stdio(0);//tu wklej te linie 
    int n;
    cin >> n;
    int* tab = new int[n];
    
    for (int i = 0; i < m; i++) tab[i] = 0;
    for (int i = 0; i < n; i++) {
        int a;
        cin >> a;
        tab[a] += 1;
    }
    
    //for (int i = 0; i < m; i++) cout << tab[i] << " ";
    //cout << endl;
    
    int max=tab[0], ind=0, prev=0;
    bool same = true;
    for (int i = 1; i < m; i++) {
        if (tab[i] > 0) {
            if (prev > 0) {
                if (tab[i] != prev)
                    same = false;
            } else {
                prev = tab[i];
            }
        }
        
        if (tab[i] > max) {
            max = tab[i];
            ind = i;
        }
    }
    
    //cout << "max=" << max << ";ind=" << ind << endl;
    
    if (same) {
        cout << "NIE MA" << endl;
    } else {
        cout << ind << endl;
    }
  
	return 0;
}