2 massive (*)

2 massive (*)
#include <stdio.h>
main()
{
    int i,j,*p,buf,
        a[5][5]={3,5,6,7,8,
                      5,7,3,2,1,
                      2,1,4,8,3,
                      5,6,9,1,3,
                      7,2,3,4,6};

    printf("Dano A:\n");
    for (i=0,p=&a[0][0];i<=20;i+=5)
        {
            for (j=0;j<=4;j++)
                printf("%3d",*(p+i+j));
            printf("\n");
        }

    for (i=0;i<=4;i++)
        {
            for (j=0,p=&a[i][0];j<=4;j++)
                if  (*p<a[i][j])
                    p=&a[i][j];

            buf=a[i][0];
            a[i][0]=*p;
            *p=buf;
        }

    printf("\nDano A:\n");
    for (i=0,p=&a[0][0];i<=20;i+=5)
        {
            for (j=0;j<=4;j++)
                printf("%3d",*(p+i+j));
            printf("\n");