제출 #2738

#제출 시각아이디문제언어결과실행 시간메모리
2738yourID속이기 (GA5_fake)C++98
100 / 100
0 ms1088 KiB
#include <stdio.h>

int n, s, m = 987654321, x, k;

int main() {
  scanf("%d", &n);
  while(n--) {
    scanf("%d", &k);
    x ^= k;
    s += k;
    if(m > k) m = k;
  }
  
  printf("%d\n", x ? 0 : s - m);
  return 0;
}
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