5/7 C++ 練習一

#include <stdio.h>
#include <stdlib.h>
int main(void)
{
    FILE *written;
    int a,i;
    written=fopen("random.txt","w");
    srand(time(NULL));

    for(i=1;i<=5;i++)
    {
        a=rand()%100;
        printf("%d ",a);
        fprintf(written,"%d ",a);
    }
    fclose(written);



    system("pause");
    return 0;
}