AI猜数字

#include <iostream>
#include <cmath>
using namespace std;
int main(int argc, char** argv) {
	string a;
	int max=100,min=0;
	while(a!="对了"){
		cout<<"猜是"<<(max-min)/2+min<<endl;
		cin>>a;
		if(a=="大了"){
			max = (max-min)/2+min;
		}else{
			min = (max-min)/2+min;
		}
	}
	return 0;
}