Submission #1592736


Source Code Expand

#include <bits/stdc++.h>

using namespace std;  

const int maxn = 1e5 + 10;

int n;
int a[maxn];
int main() {
	long long sum = 0;
	scanf("%d", &n);
	for(int i = 0; i < n; i++) {
		scanf("%d", &a[i]);
		sum += a[i];
	}
	a[n] = a[0];
	if(sum % (n * (n + 1) / 2) != 0) {
		printf("NO\n");
		return 0;
	}
	long long cnt = sum / (n * (n + 1) / 2);
	for(int i = 0; i < n; i++) {
		long long tmp = cnt + a[i] - a[i + 1];
		if(tmp < 0 || tmp % n != 0) {
			printf("NO\n");
			return 0;
		}
	}
	printf("YES\n");
	return 0;
} 

Submission Info

Submission Time
Task B - Boxes
User vjudge3
Language C++14 (GCC 5.4.1)
Score 0
Code Size 517 Byte
Status WA
Exec Time 12 ms
Memory 640 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:13:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
                     ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 3
AC × 28
WA × 5
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 WA 11 ms 640 KB
in10.txt AC 2 ms 256 KB
in11.txt AC 12 ms 640 KB
in12.txt AC 12 ms 640 KB
in13.txt AC 10 ms 512 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 WA 12 ms 640 KB
in20.txt AC 1 ms 256 KB
in21.txt AC 12 ms 640 KB
in22.txt AC 12 ms 640 KB
in23.txt AC 12 ms 640 KB
in24.txt AC 2 ms 256 KB
in25.txt AC 2 ms 256 KB
in26.txt AC 12 ms 640 KB
in27.txt AC 12 ms 640 KB
in3.txt WA 12 ms 640 KB
in4.txt WA 12 ms 640 KB
in5.txt WA 12 ms 640 KB
in6.txt AC 12 ms 640 KB
in7.txt AC 12 ms 640 KB
in8.txt AC 2 ms 256 KB
in9.txt AC 2 ms 256 KB
sample1.txt AC 1 ms 256 KB
sample2.txt AC 1 ms 256 KB
sample3.txt AC 1 ms 256 KB