week 8.1

1.点名

/* dianming*/
#include "stdio.h"
#include"stdlib.h"
main()
{
    int ia,i;
    ia=rand;
    i=ia%45+1;
    printf("the random number is  %d\n",i);
}

2.7个同学

/* 7 students */
#include "stdio.h"
#include "stdlib.h"
#define N 7
main()
{
    int a,i;
    int students[N];
    for(i=0;i<N;i++){
    	a=rand()%45+1;
    	printf("%d\n",a);
    }
    }