#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#define N 100
#include<math.h>
int main(){
	int count[10]={0};
	for(int i=0;i<N;i++){
	   int a=rand()%10000+1;
	   printf("%d ",a);
       int b=(a-1)/1000;
       count[b]+=1;
	}
	printf("\n");
	for(i=0;i<10;i++){
       printf("%d-%d之间有%d个随机数\n",i*1000+1,(i+1)*1000,count[i]);	
	}
return 0;
}