Submission #1654158
Source Code Expand
// be name khoda #include <bits/stdc++.h> using namespace std; typedef long long int ll; #define pb push_back const ll maxn=3*1e5+5; ll a[maxn]; int main() { ll n;cin >> n; ll s=0; ll s1=n*(n+1)/2; for(ll i=0;i<n;i++) { cin >> a[i]; s+=a[i]; } if (n==1) { cout << "YES"; return 0; } if (s%s1!=0) { cout << "NO"; return 0; } s1=s/s1; ll s2=s1; ll y=0; for(ll i=0;i<n;i++) { y=a[i]-a[(i+1)%n]+s1; if (y<0 || y%n) { cout << "NO"; return 0; } s2-=y/n; } if (s2==0) cout<<"YES"; else cout<<"NO"; }
Submission Info
Submission Time | |
---|---|
Task | B - Boxes |
User | vjudge3 |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 539 Byte |
Status | AC |
Exec Time | 46 ms |
Memory | 1152 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
|
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 | 37 ms | 1152 KB |
in10.txt | AC | 5 ms | 256 KB |
in11.txt | AC | 41 ms | 1024 KB |
in12.txt | AC | 41 ms | 1024 KB |
in13.txt | AC | 35 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 | AC | 45 ms | 1024 KB |
in20.txt | AC | 1 ms | 256 KB |
in21.txt | AC | 42 ms | 1024 KB |
in22.txt | AC | 42 ms | 1024 KB |
in23.txt | AC | 42 ms | 1024 KB |
in24.txt | AC | 3 ms | 256 KB |
in25.txt | AC | 5 ms | 256 KB |
in26.txt | AC | 41 ms | 1024 KB |
in27.txt | AC | 42 ms | 1024 KB |
in3.txt | AC | 44 ms | 1024 KB |
in4.txt | AC | 46 ms | 1024 KB |
in5.txt | AC | 45 ms | 1024 KB |
in6.txt | AC | 42 ms | 1024 KB |
in7.txt | AC | 41 ms | 1024 KB |
in8.txt | AC | 5 ms | 256 KB |
in9.txt | AC | 5 ms | 256 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |