#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;
}