백준 1546 - 평균

#include <iostream>
 
using namespace std;
 
int main(void) {
    int N;
    cin >> N;
    float score[N];
    float max=0;
    float sum = 0;
    
    for(int i=0; i<N; i++) {
        cin >> score[i];
        if(score[i] > max)
            max = score[i];
    }
    
    for(int i=0; i<N; i++) {
        sum += (score[i]/max)* 100;
    }
    
    cout << sum/N << endl;
    
    return 0;
}