Submission #97638

#	Time	Username	Problem	Language	Result	Execution time	Memory
97638		KLPP	XOR Sum (info1cup17_xorsum)	C++14	7 / 100	1692 ms	12800 KiB

xorsum

#include<bits/stdc++.h>

using namespace std;
typedef long long int lld;

int main(){
	int n;
	cin>>n;
	lld arr[n];
	for(int i=0;i<n;i++)cin>>arr[i];
	lld 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