Submission #649356

#	Time	Username	Problem	Language	Result	Execution time	Memory
649356		DangerNoodle7591	XOR Sum (info1cup17_xorsum)	C++17	7 / 100	1682 ms	12692 KiB

xorsum

#include <bits/stdc++.h>
using namespace std;
int main(){
	int n;cin>>n;
	long long int arr[n];
	for(int i=0;i<n;i++){
		cin>>arr[i];
	}
	long long int x=0;
	for(int i=0;i<n;i++){
		for(int j=i;j<n;j++){
			x=x^(arr[i]+arr[j]);
		}
	}
	cout<<x<<"\n";
}

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