51Nod 1069 Nim游戏

题目链接

推荐一个博客：http://blog.csdn.net/theprinceofelf/article/details/7225206

#include<iostream>#include<algorithm>#include<cstdio>#include<cstring>#include<cmath>using namespace std;int main(){int t;cin>>t;int out=0;for(int i=0;i<t;i++){int num;cin>>num;out^=num;}printf("%c",out==0?'B':'A');return 0;}