HackerEarth HAWKEYE AND FLOODFILL (EASY) problem solution

In this HackerRank Hawkeye and Floodfill (Easy) problem solution Hawkeye is a MARVEL character who has a perfect aim in archery. Its almost impossible for him to miss his aim. As you are the head of technical team at MARVEL , you have been assigned a very critical task. During practice hawkeye uses a square archery practice board. For our convenience we will assume it to be a N * N matrix. He shoots an arrow at position i,j with power P. Now power reduces by 1 as we move away from position i,j . Your task is to show the graph representing the impact of the arrow on the practice board.

#include<stdio.h>
int abc(int x)

{

    if(x<0)
    return x*(-1);

    else
    return x;

}

int main()

{
    int n,i,j,pow,x,y;
    register int a,b;
    scanf("%d",&n);
    scanf("%d%d%d",&i,&j,&pow);

    for(a=0;a<n;a++)

    {
        for(b=0;b<n;b++)

        {
            x=pow-abs(i-a);

            y=pow-abs(j-b);

            if(x<=y&&x>=0)
            printf("%d ",x);
            else if(x>y&&y>=0)
            printf("%d ",y);
            else
            printf("0 ");

        }

        puts("");
    }

    return 0;

}