Pattern1.c

/* program to print in this question two numbers are skipped after encountering odd number
1 4
5
8
9
12 13 16 17
20
21
24
25
28
29
32 33 36 37 40 41*/

#include<stdio.h>

int main()
{int n,i,m=1,j;
int h_count,v_count;
printf("Enter value of n: \n");
scanf("%d",&n);

printf("\nHere is the list\n\n");
for(i=1;i<=n;i++)
/*h_count for horizontal range and v_count for vertical range*/
{   h_count=2*m;v_count=3*m;
/*To print horizontally*/
     for(j=1;j<=h_count;j++)
        {if(i<=n)//check whether i within the range or not
            printf("%d ",i);
            if(i%2!=0)//if odd skip 2 numbers
            i+=2;
            i++;
        }
        printf("\n");
        /*to print vertically*/
     for(j=1;j<=v_count;j++)
    { if(i<=n)//check whether i is in the range or not
        { printf("%d",i);
            printf("\n");
            if(i%2!=0)//if odd skip 2 numbers
            i+=2;
            i++;
        }
    }
    i--;
    m++;

} return 0;
}