Pattern Printing - Start Number - C

Given an integer N as the input and a start integer S, print the pattern as given in the Example Input/Output section.

Input Format: The first line contains S and N, each separated by a space. 

Output Format: 2N lines containing the desired pattern. 

Boundary Conditions: 2 <= N <= 50 1 <= S <= 20 

Example Input/Output 1: 

Input: 

3 4 

Output: 

3 

4 4 

5 5 5 

6 6 6 6 

6 6 6 6 

5 5 5 

4 4 

3

Example Input/Output 2: 

Input: 

7 9 

Output: 

7 

8 8 

9 9 9 

10 10 10 10 

11 11 11 11 11 

12 12 12 12 12 12 

13 13 13 13 13 13 13 

14 14 14 14 14 14 14 14 

15 15 15 15 15 15 15 15 15 

15 15 15 15 15 15 15 15 15 

14 14 14 14 14 14 14 14 

13 13 13 13 13 13 13 

12 12 12 12 12 12 

11 11 11 11 11 

10 10 10 10 

9 9 9 

8 8 

7

Source Code:

#include<stdio.h>

int main() {

   int base,N,a=0;

   scanf("%d%d",&base,&N);

   int i,j;

  for(i=0;i<2*N;i++)

  {

      if(i<N)

      {

        for(j=0;j<=i;j++)

            printf("%d ",base);

        base++;

      }

      else

      {

          base--;

          for(j=0;j<i-a;j++)

            printf("%d ",base);

          a+=2;

      }

    printf("\n");

  }

}