#include<stdio.h>
#include<stdlib.h>
#include<time.h>

int main(void)
{
  int a,n,d,flag=1,sign=1,max,min,t,time;
  int *k;
  printf("Welcome you use this game:");
  srand((int)time(&k));   // 产生随机时间
  srand (k);
  while(flag)
  {
    a=rand()%1000+1;
    max=1000;
    min=1;
    t=0;
    printf("please input you guess n: %d-%d",min,max);
    scanf("%d",&n);
    t++;
    while(sign)
    { if(n>a) { if(n<max) max=n; printf("The number is hight :please input again:%d-%d",min,max);
    scanf("%d",&n);sign=1;t++;}
      else if(n<a) {if(n>min) min=n;  printf("The number is low :please input again :%d-%d",min,max);
      scanf("%d",&n);t++; sign=1;}
       else if(n==a) {printf("You are good\n t=%d:",t);sign=0;}
    }
    printf("Are you continue 1 or 0:\n");
    scanf("%d",&d) ;
    if(d==1)
    {flag=1;sign=1;}
    else flag=0;
  }
  printf("Welcome you play again:\n");
}
 一个关于猜1到1000之间的数呢 ！！但为什么我那个关于时间的随机有问题呢！！