pattern_centre_v1.c

/*

    pattern_centre_v1.c

    Task:
    https://web.facebook.com/groups/c.programing/permalink/1572862292872615/


    You can find all my C programs at Dragan Milicev's pastebin:

    https://pastebin.com/u/dmilicev

*/

#include <stdio.h>

void print_pattern( int n )
{
    int r, c;           // r is row, c is column

    for(c=0; c<n; c++)
    {
        for(r=0; r<n; r++)
        {
            if(n%2)     // if n is odd
            {
                if( r==n/2 && c==n/2 )
                    printf("1");
                else
                    printf("2");
            }
            else        // if n is even
            {
                if( (r==n/2-1 || r==n/2) && (c==n/2-1 || c==n/2) )
                    printf("1");
                else
                    printf("2");
            }
        } // for(r=0; r<n; r++)
        printf("\n");
    } // for(c=0; c<n; c++)
    printf("\n");
}

int main(void)
{
    print_pattern(3);
    print_pattern(4);
    print_pattern(5);
    print_pattern(6);
    print_pattern(7);
    print_pattern(8);

    return 0;

} // main()