Submission #649445

#	Time	Username	Problem	Language	Result	Execution time	Memory
649445		elif	XOR Sum (info1cup17_xorsum)	C++17	7 / 100	6 ms	468 KiB

xorsum

#include <bits/stdc++.h>
using namespace std;
int a[10005];
int main(){

	int n;
	cin >> n;
	for(int i=0; i<n; i++)
		cin >> a[i];

	int res = 0;
	for(int i=0; i<n; i++){
		for(int j=i; j<n; j++)
			res ^= (a[i] + a[j]);
	}

	cout << res << endl;

	return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 21
• Subtask 4: 0 / 38
• Subtask 5: 0 / 23