Keep On Movin (贪心)

#include<bits/stdc++.h>
using namespace std;

int main(){
    int T, n, a;scanf("%d",&T);
    while(T --){
        scanf("%d",&n);
        int odd = 0, even = 0;
        for(int i = 0; i < n; i ++){
            scanf("%d",&a);
            odd += a % 2;
            even += a - (a & 1);
        }
        if(odd == 0){
            printf("%d
",even);
            continue;
        }
        even -= even % odd;
        printf("%d
",even/odd - ((even/odd) & 1) + 1);
    }
    return 0;
}