HDU1907 John

 

Description

Little John is playing very funny game with his younger brother. There is one big box filled with M&Ms of different colors. At first John has to eat several M&Ms of the same color. Then his opponent has to make a turn. And so on. Please note that each player has to eat at least one M&M during his turn. If John (or his brother) will eat the last M&M from the box he will be considered as a looser and he will have to buy a new candy box. 

Both of players are using optimal game strategy. John starts first always. You will be given information about M&Ms and your task is to determine a winner of such a beautiful game. 

 

Input

The first line of input will contain a single integer T – the number of test cases. Next T pairs of lines will describe tests in a following format. The first line of each test will contain an integer N – the amount of different M&M colors in a box. Next line will contain N integers Ai, separated by spaces – amount of M&Ms of i-th color. 

Constraints: 
1 <= T <= 474, 
1 <= N <= 47, 
1 <= Ai <= 4747 

 

Output

Output T lines each of them containing information about game winner. Print “John” if John will win the game or “Brother” in other case. 

 

Sample Input

2 3 3 5 1 1 1

 

Sample Output

John Brother

 

Source

Southeastern Europe 2007

 

依旧是anti-nim

AC记录喜+1

 

/*by SilverN*/
#include<iostream>
#include<algorithm>
#include<cstring>
#include<cstdio>
#include<cmath>
using namespace std;
int n;
int s;
int main(){
    int T;    
    scanf("%d",&T);
    while(T--){
        scanf("%d",&n);
        bool flag=0;
        s=0;
        int i,j;
        int a;
        for(i=1;i<=n;i++){
            scanf("%d",&a);
            s^=a;
            if(a>1)flag=1;
        }
        if(flag){
            if(s==0)printf("Brother\n");
            else printf("John\n");
        }
        else
            if(n&1)printf("Brother\n");
            else printf("John\n");

    }
    return 0;
}