NCTU LAB 12/03 NUM 3

#include <bits/stdc++.h>
using namespace std;

int main(){
    vector <int> data;
    int below=0, above=0, index, n;
    int interval[10] = {0};
    double mean = 0;
    while(cin >> n){
        data.push_back(n);
        interval[n/10 == 10 ? 9 : n/10]++;
        mean+=n;
    }
    sort(data.begin(), data.end());
    mean/=data.size();
    for(index=0;index<data.size();index++){
        if(data[index]<mean){
            below++;
        }
        if(data[index]>mean){
            above++;
        }
    }
    cout << "**** Score Report ****" << endl << endl;
    cout << "Mean: " << fixed << setprecision(2) << mean << endl;
    cout << "Above Mean: " << above << endl;
    cout << "Below Mean: " << below << endl << endl;
    for(int i=0;i<10;i++){
        cout << i*10 << " ~ " << i*10+9+(i==9) << ": ";
        for(int j=interval[i];j>0;j--){
            cout << "*";
        }
        cout << endl;
    }
    return 0;
}