제출 #8813

#제출 시각아이디문제언어결과실행 시간메모리
8813gs14004속이기 (GA5_fake)C++98
100 / 100
0 ms1088 KiB
#include <cstdio>

int n,t,h,m=1e6,cnt[20];
int main(){
    scanf("%d",&n);
    for (int i=0; i<n; i++) {
        scanf("%d",&t);
        h += t;
        if(m > t) m = t;
        int piv = 0;
        while (t) {
            if(t&1) cnt[piv]++;
            t >>= 1;
            piv++;
        }
    }
    for (int i=0; i<20; i++) {
        if(cnt[i]&1){
            puts("0");return 0;
        }
    }
    printf("%d",h-m);
}
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