Submission #1460048
Source Code Expand
#include<bits/stdc++.h> using namespace std; long long N; long long A[100005]; long long D[100005]; long long num; int main(){ cin >> N; for(long long i = 0; i < N; i++){ cin >> A[i]; num += A[i]; } long long tmp = (N) * (N + 1) / 2; if(num % tmp != 0){ cout << "NO" << endl; return 0; } num /= tmp; for(long long i = 0; i < N; i++){ D[i] = A[(i + 1) %N] - A[i]; D[i] -= num; D[i] = -1 * D[i]; } long long cur = 0; for(long long i = 0; i < N; i++){ if(D[i] < 0 || D[i] % N != 0){ cout << "NO" << endl; return 0; } cur += D[i] / N; } if(cur == num){ cout << "YES" << endl; return 0; } return 1; }
Submission Info
Submission Time | |
---|---|
Task | B - Boxes |
User | motomuman |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 686 Byte |
Status | AC |
Exec Time | 45 ms |
Memory | 1792 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 | 35 ms | 1792 KB |
in10.txt | AC | 5 ms | 384 KB |
in11.txt | AC | 42 ms | 1792 KB |
in12.txt | AC | 41 ms | 1792 KB |
in13.txt | AC | 35 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 | 44 ms | 1792 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 | 384 KB |
in25.txt | AC | 5 ms | 384 KB |
in26.txt | AC | 41 ms | 1792 KB |
in27.txt | AC | 41 ms | 1792 KB |
in3.txt | AC | 45 ms | 1792 KB |
in4.txt | AC | 44 ms | 1792 KB |
in5.txt | AC | 44 ms | 1792 KB |
in6.txt | AC | 40 ms | 1024 KB |
in7.txt | AC | 40 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 |