Submission #646400

#	Time	Username	Problem	Language	Result	Execution time	Memory
646400		murad_2005	XOR Sum (info1cup17_xorsum)	C++17	7 / 100	1688 ms	800 KiB

xorsum

#include<bits/stdc++.h>

using namespace std;

const int up = 1e5 + 5;

int a[up];

void solve(){
    int n;
    cin >> n;
    int Res = 0;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
        for(int j = 1; j <= i; j++){
            Res ^= (a[i] + a[j]);
        }
    }
    cout << Res;
}

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t;
    t = 1;
    // cin >> t;
    while(t--){
        solve();
    }
    return 0;
}

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