Submission #67831

#	Time	Username	Problem	Language	Result	Execution time	Memory
67831		cdemirer	XOR Sum (info1cup17_xorsum)	C++17	7 / 100	10 ms	416 KiB

xorsum

#include <bits/stdc++.h>
#include <limits>
using namespace std;
typedef long long ll;
typedef pair<int, int> ii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ii> vii;
typedef vector<vii> vvii;
typedef pair<double, double> dodo;
#define mp(x, y) make_pair(x, y)
#define pb(x) push_back(x)


int N;
int arr[10000];

int main(int argc, char **argv) {
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	
	
	cin >> N;
	if (N > 10000) exit(-1);
	for (int i = 0; i < N; i++) cin >> arr[i];
	int ans = 0;
	for (int i = 0; i < N; i++) {
		for (int j = i; j < N; j++) {
			ans ^= arr[i]+arr[j];
		}
	}
	cout << ans << endl;

	return 0;
}

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