hdu 1907 博弈

#include<iostream>using namespace std;#include<cstdio>int a[50];int main(){    int i,ans,T,n,temp;    scanf("%d",&T);    while(T--)    {        scanf("%d",&n);        temp=0;//¹Âµ¥¶Ñ        for(i=0;i<n;i++)        {            scanf("%d",&a[i]);            if(i==0)                ans=a[i];            else                ans=ans^a[i];            if(a[i]>1)  temp=1;        }        if(temp==0)        {            if(n%2==1)               printf("Brother\n");            else               printf("John\n");            continue;        }        if(ans==0)           printf("Brother\n");        else           printf("John\n");    }    return 0;}