zoho taxi question (3rd Round)

 PLACEMENT-C-QUESTION(ZOHO)
******************************************************************************
Save the string “WELCOMETOZOHOCORPORATION” in a two dimensional array and search for substring like “too” in the two dimensional string both from left to right and from top to bottom.

w e L C O
M E T O Z
O H O C O
R P O R A
T I O n   

And print the start and ending index as
Start index : <1,2>
End index: <3, 2>               *******************************************************************************/

PROGRAM

#include <stdio.h>
#include<string.h>
#include<math.h>
int main()
{
    char a[100],b[100][100],z[100];
    int k=0,i,j,c,d;
    scanf("%s %s",a,z);
    c=strlen(a);
    d=sqrt(c);
    if((c/d)==d && c%d==0)
    {
        d=d;
    }
    else
    {
        d=d+1;
    }
    for(i=0;i<d;i++)
    {
        for(j=0;j<d;j++)
        {
            if(k>strlen(a))
            {
                b[i][j]='\0';
            }
            else
            {
            b[i][j]=a[k];
            }
            k++;
        }
    }
    for(i=0;i<d;i++)
    {
        for(j=0;j<d;j++)
        {
            int m=j;
            for(k=0;k<strlen(z);k++)
            {
                if(b[i][m]!=z[k])
                {
                    break;
                }
                else if(b[i][m]==z[k] && k==strlen(z)-1)
                {
                    printf("start index <%d ,%d >\n",i,j);
                    printf("end index <%d ,%d>",i,m);
                }
                m++;
            }
        }
    }
    for(i=0;i<d;i++)
    {
        for(j=0;j<d;j++)
        {
            int m=j;
            for(k=0;k<strlen(z);k++)
            {
                if(b[m][i]!=z[k])
                {
                    break;
                }
                else if(b[m][i]==z[k] && k==strlen(z)-1)
                {
                    printf("start index <%d ,%d >\n",j,i);
                    printf("end index <%d ,%d>",m,i);
                }
                m++;
            }
        }
    }
}