1615-A

Problem - A - Codeforces

 

풀이

n |합 -> 0
그 외 1

#include <bits/stdc++.h>
#define endl "\n"
#define ooop(i, n) for(int i = 0; i < n; i++)
#define loop(i, n) for(int i = 1; i <= n; i++)
#define all(v) (v).begin(), (v).end()
 
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
 
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
 
    int t;
    cin >> t;
    while(t--){
        int n;
        cin >> n;
        int sum = 0;
        loop(i, n){
            int tmp;
            cin >> tmp;
            sum += tmp;
        }
 
        cout << (sum % n == 0? 0: 1) << endl;
    }
 
    return 0;
}cs