Submission #1162885
Source Code Expand
#include<iostream> #include<cstdio> #include<cmath> #define ll long long using namespace std; ll n; ll a[100010]; ll dis[100010]; int main() { ll sum=0; scanf("%lld",&n); for(int i=0;i<n;i++) { scanf("%lld",&a[i]); sum+=a[i]; } ll k; if((2*sum%(n*(n+1)))!=0) { printf("NO"); return 0; } k=2*sum/n/(n+1); for(int i=0;i<n;i++) { if(i==n-1) dis[i]=a[i]-a[0]; else dis[i]=a[i]-a[i+1]; } for(int i=0;i<n;i++) { if(dis[i]+k<0||(dis[i]+k)%n!=0) { printf("NO"); return 0; } } printf("YES"); return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Boxes |
User | vjudge1 |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 687 Byte |
Status | AC |
Exec Time | 14 ms |
Memory | 1792 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:12:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&n); ^ ./Main.cpp:15:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&a[i]); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
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Set Name | Test Cases |
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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 | 12 ms | 1792 KB |
in10.txt | AC | 2 ms | 384 KB |
in11.txt | AC | 13 ms | 1792 KB |
in12.txt | AC | 13 ms | 1792 KB |
in13.txt | AC | 11 ms | 1536 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 | 14 ms | 1792 KB |
in20.txt | AC | 1 ms | 256 KB |
in21.txt | AC | 12 ms | 1024 KB |
in22.txt | AC | 12 ms | 1024 KB |
in23.txt | AC | 12 ms | 1024 KB |
in24.txt | AC | 2 ms | 384 KB |
in25.txt | AC | 2 ms | 384 KB |
in26.txt | AC | 13 ms | 1792 KB |
in27.txt | AC | 13 ms | 1792 KB |
in3.txt | AC | 14 ms | 1792 KB |
in4.txt | AC | 14 ms | 1792 KB |
in5.txt | AC | 14 ms | 1792 KB |
in6.txt | AC | 12 ms | 1024 KB |
in7.txt | AC | 12 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 |