Submission #1697004


Source Code Expand

#pragma GCC optimize("O3")
#include<bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define in insert
#define er erase
#define fr first
#define sc second
typedef long long ll;
const long long llinf=LLONG_MAX;
const int inf=INT_MAX;
const int nmax=1e5+5;
const int mod=1e9+7;
using namespace std;
int n,i;
ll a[nmax],sum,z;
int main()
{
    //freopen("sol.in","r",stdin);
	//freopen("sol.out","w",stdout);
	ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
    cin>>n,z=n*(n+1)/2;
    for(i=0;i<n;i++)cin>>a[i],sum+=a[i];
    if(sum%z)rc("NO");
    sum/=z;
    a[n]=a[0];
    for(i=0;i<n;i++)if(a[i]-a[i+1]+sum<0 || (a[i]-a[i+1]+sum)%n)rc("NO");
	rc("YES");
}

Submission Info

Submission Time
Task B - Boxes
User abcde2002
Language C++14 (GCC 5.4.1)
Score 0
Code Size 730 Byte
Status WA
Exec Time 11 ms
Memory 1024 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 WA 10 ms 1024 KB
in10.txt AC 2 ms 384 KB
in11.txt AC 11 ms 1024 KB
in12.txt AC 11 ms 1024 KB
in13.txt AC 10 ms 896 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 WA 11 ms 1024 KB
in20.txt AC 1 ms 256 KB
in21.txt AC 11 ms 1024 KB
in22.txt AC 11 ms 1024 KB
in23.txt AC 11 ms 1024 KB
in24.txt AC 2 ms 256 KB
in25.txt AC 2 ms 384 KB
in26.txt AC 11 ms 1024 KB
in27.txt AC 11 ms 1024 KB
in3.txt WA 11 ms 1024 KB
in4.txt WA 11 ms 1024 KB
in5.txt WA 11 ms 1024 KB
in6.txt AC 11 ms 1024 KB
in7.txt AC 11 ms 1024 KB
in8.txt AC 2 ms 384 KB
in9.txt AC 2 ms 384 KB
sample1.txt AC 1 ms 256 KB
sample2.txt AC 1 ms 256 KB
sample3.txt AC 1 ms 256 KB