Submission #521801

#	Time	Username	Problem	Language	Result	Execution time	Memory
521801		maks007	XOR Sum (info1cup17_xorsum)	C++14	7 / 100	1662 ms	8796 KiB

xorsum

#include <bits/stdc++.h>

using namespace std;

int main(void) {
	int n;
	cin>> n;
	vector <int> a(n);
	for(int i = 0; i < n; i ++ ) {
		cin >> a[i];
	}
	int ans = 0;
	for(int i = 0; i < n; i ++) {
		for(int j = i; j < n; j ++) {
			ans ^= (a[i] + a[j]);
		}
	}
	cout << ans;
	return false;
}

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