[백준] 1546번. 평균

#include <iostream>
#include <vector>

using namespace std;
int main(){
    int N;
    int maxScore = 0;
    
    cin >> N;
    
    vector<float> score(N);
    for(int i=0; i<N; i++) {
        cin >> score[i];
        maxScore = maxScore < score[i] ? score[i] : maxScore;
    }
    
    float sum = 0;
    for(int i=0; i<N; i++) {
        score[i] = score[i] / maxScore * 100;
        sum += score[i];
    }
    
    cout << sum/N;
}