Submission #6371865


Source Code Expand

Copy
#include<bits/stdc++.h>
#define N 100010
#define ll long long
using namespace std;
int a[N];
int main(){
	int n;
	scanf("%d",&n);
	for(int i=1;i<=n;i++)scanf("%d",&a[i]);
	if(n%3==0){
		sort(a+1,a+n+1);
		int num=1,sum=a[1]^a[n/3+1]^a[n/3*2+1];
		if(sum)return 0*printf("No\n");
		for(int i=2;i<=n;i++){
			if(a[i]!=a[i-1]){
				if(num!=n/3)return 0*printf("No\n");
				num=1;
			}
			else num++;
		}
		printf("Yes\n");
	}
	else {
		for(int i=1;i<=n;i++)if(a[i]!=0)return 0*printf("No\n");
		printf("Yes\n");
	}
	return 0;
}

Submission Info

Submission Time
Task A - XOR Circle
User zhongzero
Language C++14 (GCC 5.4.1)
Score 300
Code Size 551 Byte
Status AC
Exec Time 14 ms
Memory 640 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:9:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++)scanf("%d",&a[i]);
                                        ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 2
AC × 22
Set Name Test Cases
Sample sample_01.txt, sample_02.txt
All sample_01.txt, sample_02.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
test_01.txt AC 8 ms 640 KB
test_02.txt AC 10 ms 640 KB
test_03.txt AC 8 ms 640 KB
test_04.txt AC 11 ms 640 KB
test_05.txt AC 14 ms 640 KB
test_06.txt AC 7 ms 384 KB
test_07.txt AC 6 ms 384 KB
test_08.txt AC 5 ms 384 KB
test_09.txt AC 6 ms 384 KB
test_10.txt AC 14 ms 640 KB
test_11.txt AC 8 ms 512 KB
test_12.txt AC 12 ms 640 KB
test_13.txt AC 11 ms 512 KB
test_14.txt AC 8 ms 512 KB
test_15.txt AC 13 ms 640 KB
test_16.txt AC 3 ms 256 KB
test_17.txt AC 2 ms 256 KB
test_18.txt AC 3 ms 256 KB
test_19.txt AC 5 ms 384 KB
test_20.txt AC 14 ms 512 KB