Submission #1866494
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main(void) { int n; cin >> n; vector<ll> a(n); for (int i = 0; i < n; i++) { cin >> a[i]; } vector<ll> b = a; for (int i = 0; i < n; i++) { b[i] = a[i] - a[(i - 1 + n) % n]; } vector<ll> c = b; ll sum = 0; bool flag = true; for (int i = 0; i < n; i++) { c[i] = b[i] - b[(i - 1 + n) % n]; sum += c[i]; flag &= abs(c[i]) % n == 0; } cout << (sum == 0 && flag ? "YES" : "NO") << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Boxes |
User | legosuke |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 553 Byte |
Status | WA |
Exec Time | 43 ms |
Memory | 2560 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 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 | 34 ms | 2560 KB |
in10.txt | WA | 5 ms | 512 KB |
in11.txt | WA | 42 ms | 2560 KB |
in12.txt | WA | 42 ms | 2560 KB |
in13.txt | WA | 36 ms | 2176 KB |
in14.txt | AC | 1 ms | 256 KB |
in15.txt | AC | 1 ms | 256 KB |
in16.txt | WA | 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 | 43 ms | 2560 KB |
in20.txt | AC | 1 ms | 256 KB |
in21.txt | AC | 43 ms | 2560 KB |
in22.txt | AC | 42 ms | 2560 KB |
in23.txt | AC | 43 ms | 2560 KB |
in24.txt | WA | 3 ms | 384 KB |
in25.txt | WA | 5 ms | 512 KB |
in26.txt | WA | 42 ms | 2560 KB |
in27.txt | WA | 42 ms | 2560 KB |
in3.txt | AC | 43 ms | 2560 KB |
in4.txt | AC | 43 ms | 2560 KB |
in5.txt | AC | 43 ms | 2560 KB |
in6.txt | AC | 43 ms | 2560 KB |
in7.txt | AC | 43 ms | 2560 KB |
in8.txt | WA | 5 ms | 512 KB |
in9.txt | WA | 5 ms | 512 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |