Submission #2213521
Source Code Expand
#include <iostream> using namespace std; typedef long long lint; int main(){ lint N; lint A[100000]; cin >> N; for(int i=0;i<N;i++) cin >> A[i]; lint diff=A[0]-A[N-1]; for(int i=1;i<N;i++){ if(diff<A[i]-A[i-1]) diff=A[i]-A[i-1]; } lint A0=(diff-A[0]+A[N-1])/N; if((diff-A[0]+A[N-1])%N!=0){ cout << "NO" << endl; return 0; } for(int i=1;i<N;i++){ if((diff-A[i]+A[i-1])%N!=0){ cout << "NO" << endl; return 0; } A0+=(N+1-i)*((diff-A[i]+A[i-1])/N); } if(A[0]>=A0 && (A[0]-A0)%(N*(N+1)/2)==0) cout << "YES" << endl; else cout << "NO" << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Boxes |
User | wisteria0410ss |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 720 Byte |
Status | AC |
Exec Time | 42 ms |
Memory | 1024 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
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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 | 34 ms | 1024 KB |
in10.txt | AC | 5 ms | 384 KB |
in11.txt | AC | 42 ms | 1024 KB |
in12.txt | AC | 42 ms | 1024 KB |
in13.txt | AC | 36 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 | 42 ms | 1024 KB |
in20.txt | AC | 1 ms | 256 KB |
in21.txt | AC | 40 ms | 1024 KB |
in22.txt | AC | 40 ms | 1024 KB |
in23.txt | AC | 40 ms | 1024 KB |
in24.txt | AC | 3 ms | 256 KB |
in25.txt | AC | 5 ms | 384 KB |
in26.txt | AC | 42 ms | 1024 KB |
in27.txt | AC | 42 ms | 1024 KB |
in3.txt | AC | 42 ms | 1024 KB |
in4.txt | AC | 42 ms | 1024 KB |
in5.txt | AC | 42 ms | 1024 KB |
in6.txt | AC | 41 ms | 1024 KB |
in7.txt | AC | 41 ms | 1024 KB |
in8.txt | AC | 5 ms | 384 KB |
in9.txt | AC | 5 ms | 384 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |