#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main()
{
 int Guess,Num; //Guess猜数，Num随机数 
 int Next;  //下一次执行 
 do
 {
 system("cls");  //清屏 
 printf("-------------------------------------\n");
 
 srand(time(NULL)); 
 Num=rand()%100+1; //随机生成1-100数字 
 
 printf("请猜猜1-100内的数字:\n");
 scanf("%d",&Guess);
 
 while(Guess!=Num)
 {
 //scanf用于继续猜数判断 
  if(Guess>Num)
  {  
  printf("猜大啦.\n");
  scanf("%d",&Guess);
  }
  if(Guess<Num)
  {
  printf("猜小啦.\n");
  scanf("%d",&Guess);
  }
 }
  
 printf("恭喜你猜对啦！\n");  
 printf("想不想再猜一猜？Y/y或N/n\n"); 
 getchar(); //输入是否继续执行字符y/n 
 printf("-------------------------------------\n");
 Next=getchar(); //赋值 
 
 }while(Next == 'Y' || Next == 'y'); //判断下次是否执行 
 
 printf("程序已退出...\n");
 return 0;
}