Submission #926798

#	Time	Username	Problem	Language	Result	Execution time	Memory
926798		vjudge1	XOR Sum (info1cup17_xorsum)	C++17	7 / 100	1643 ms	8276 KiB

xorsum

#include <bits/stdc++.h>
using namespace std;
#define int long long
void xakir() {
int n;
cin>>n;
vector<int>v(n+1);
for(int i=1;i<=n;i++) {
cin>>v[i];
}
int res = 0;
for(int i=1;i<=n;i++) {
for(int j=i;j<=n;j++) {
res^=(v[i]+v[j]);
}
}
cout<<res;
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cout.setf( ios::fixed);
cout.precision(4);
system("color 0A");
int t=1;
//cin>>t;
while(t--) {
xakir();
} 
/**
    ░█████╗░░░░░░░░░░░░░░░
    ██╔══██╗░░██╗░░░░██╗░░
    ██║░░╚═╝██████╗██████╗
    ██║░░██╗╚═██╔═╝╚═██╔═╝
    ╚█████╔╝░░╚═╝░░░░╚═╝░░
    ░╚════╝░░░░░░░░░░░░░░░
**/
 
 }

Compilation message (stderr)

xorsum.cpp: In function 'int main()':
xorsum.cpp:25:7: warning: ignoring return value of 'int system(const char*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 | system("color 0A");
      | ~~~~~~^~~~~~~~~~~~

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