猜数字游戏

////  main.cpp//  activity////  Created by 徐伟 on 6/13/16.//  Copyright © 2016 fizz. All rights reserved.//#include <iostream>#include<ctime>#include<cstdlib>using namespace std;int main(int argc,const char *argv[]){    int n,num,count=1;    srand(time(0)); //time(0)返回值作种子    num=rand()%1000;    do    {        cout<<"猜一个数：";        cin>>n;        if(n==num)            break;        else if(n>num)            cout<<"大了！"<<endl;        else            cout<<"小了！"<<endl;        count++;    }while(true);    cout<<"历经"<<count<<"次，猜对了。"<<endl;    return 0;}