HDU1907 John
Description
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
Constraints:
1 <= T <= 474,
1 <= N <= 47,
1 <= Ai <= 4747
Output
Sample Input
3
3 5 1
1
1
Sample Output
Brother
Source
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=;
s=;
int i,j;
int a;
for(i=;i<=n;i++){
scanf("%d",&a);
s^=a;
if(a>)flag=;
}
if(flag){
if(s==)printf("Brother\n");
else printf("John\n");
}
else
if(n&)printf("Brother\n");
else printf("John\n"); }
return ;
}
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