程序代码：

#include <stdio.h>
void dfs (int a[], int c) ;
int main (void)
{
    int a[5] ;
    dfs (a, 0) ;
   

    return 0 ;
}

void dfs (int a[], int c)
{
    if (c == 5)
    {
        for (int i = 0; i <= 4; i++)
        {
            printf ("%d", a[i]) ;
        }
        printf ('\n') ;
    }
   

    for (int i = 1; i <= 5; i++)
    {
        a[c] = i ;
        dfs (a, c + 1) ;
    }
   

}

[此贴子已经被作者于2019-2-12 22:14编辑过]

[此贴子已经被作者于2019-2-13 11:20编辑过]

程序代码：

#include <stdio.h>
void dfs (int a[]) ;
int main (void)
{
    int a[5] ;
    dfs (a) ;


    return 0 ;
}

void dfs (int a[])
{
int couterline=0;
     for (int i = 1; i <= 5; i++)
    {
        a[0] = i ;


     for (int i1 = 1; i1 <= 5; i1++)
    {
        a[1] = i1 ;


     for (int i2 = 1; i2 <= 5; i2++)
    {
        a[2] = i2 ;


     for (int i3 = 1; i3 <= 5; i3++)
    {
        a[3] = i3 ;


     for (int i4 = 1; i4 <= 5; i4++)
    {
        a[4] = i4 ;

         for (int i5 = 0; i5 <= 4; i5++)
        {
            printf ("%d", a[i5]) ;
        }
        printf ("\n") ;
        couterline++;

    }

    }
    }
    }
    }

    printf("%d",couterline);
return;

}

[此贴子已经被作者于2019-2-13 12:56编辑过]

[此贴子已经被作者于2019-2-13 13:01编辑过]