제출 #2760

#제출 시각아이디문제언어결과실행 시간메모리
2760gs13068속이기 (GA5_fake)C++98
0 / 100
0 ms1092 KiB
#include<cstdio>
#include<algorithm>

int a[1000];

int main()
{
  int t=0;
  int i,n;
  scanf("%d",&n);
  for(i=0;i<n;i++)
  {
    scanf("%d",&a[i]);
    t^=a[i];
  }
  if(t)puts("0");
  else
  {
    t=0;
    std::sort(a,a+n);
    for(i=n-1;i>=(n+1)/2;i--)t+=a[i];
    printf("%d",t);
  }
}
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