Submission #1372939


Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n, a[100001];
ll sum;
int main(){
    cin >> n;
    for(int i = 1;i <= n; ++ i){
        cin >> a[i];
        sum += a[i];
    }
    ll sumn = ((n + 1ll) * n) / 2ll;
    if(sum % sumn != 0){
        cout << "NO";
        return 0;
    }
    int cnt = sum / sumn;
    sort(a + 1, a + n + 1);
    if(a[1] < cnt){
        cout << "NO";
        return 0;
    }
if(a[n] > 1ll * n * cnt){
        cout << "NO";
        return 0;
    }
cout <<"YES";
    return 0;
}

Submission Info

Submission Time
Task B - Boxes
User Manas
Language C++14 (GCC 5.4.1)
Score 0
Code Size 558 Byte
Status WA
Exec Time 59 ms
Memory 640 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 3
AC × 28
WA × 5
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
in1.txt AC 44 ms 640 KB
in10.txt WA 7 ms 256 KB
in11.txt AC 55 ms 640 KB
in12.txt AC 54 ms 640 KB
in13.txt AC 46 ms 512 KB
in14.txt AC 1 ms 256 KB
in15.txt AC 1 ms 256 KB
in16.txt AC 1 ms 256 KB
in17.txt AC 1 ms 256 KB
in18.txt AC 1 ms 256 KB
in19.txt AC 1 ms 256 KB
in2.txt AC 56 ms 640 KB
in20.txt AC 1 ms 256 KB
in21.txt AC 53 ms 640 KB
in22.txt AC 54 ms 640 KB
in23.txt AC 53 ms 640 KB
in24.txt WA 4 ms 256 KB
in25.txt WA 6 ms 256 KB
in26.txt AC 54 ms 640 KB
in27.txt AC 54 ms 640 KB
in3.txt AC 57 ms 640 KB
in4.txt AC 56 ms 640 KB
in5.txt AC 59 ms 640 KB
in6.txt AC 54 ms 640 KB
in7.txt AC 54 ms 640 KB
in8.txt WA 6 ms 256 KB
in9.txt WA 6 ms 256 KB
sample1.txt AC 1 ms 256 KB
sample2.txt AC 1 ms 256 KB
sample3.txt AC 1 ms 256 KB