Submission #1139584

#	Time	Username	Problem	Language	Result	Execution time	Memory
1139584		Halym2007	XOR Sum (info1cup17_xorsum)	C++17	7 / 100	1695 ms	4164 KiB

xorsum

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define sz size()
#define ff first
#define ss second
#define pb push_back
#define pii pair <int, int>
#define dur exit(0)
#define dur1 return(0)
const int N = 1e6 + 5;
const int BIT = 31;
int n, a[N];

int main () {
//	freopen ("input.txt", "r", stdin);
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin >> n;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i];
	}
	int jogap = 0;
	for (int i = 1; i <= n; ++i) {
		for (int j = i; j <= n; ++j) {
			int x = a[i] + a[j];
			jogap ^= x;
		}
	}
	cout << jogap;
}

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