[CodeUp] #4891-행복(2019 정올1차 대비)

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

vector<int> v;

int compare(int a, int b){
    return a>b;
}

int main(){
    int n;
    cin >> n;

    v.resize(n,0);

    for(int i=0;i<n;i++){
        cin >> v[i];
    }

    sort(v.begin(),v.end(),compare);

    int a = v[0];
    int b = v[n-1];

    int ans = a-b;

    cout << ans;

}