View Code of Problem 57

#include<stdio.h>
#include <math.h>
#include <string.h>
void ps(int m)
{
	while(m--)
	  printf(" ");
}
void pd(int n)
{
	int i;
	for(i=1;i<n;i++)
	  printf("%d",i);
	for(i=n;i>=1;i--)
	  printf("%d",i);
}
int main()
{
	int n,i,j;
	scanf("%d",&n);
	for(i=1;i<n;i++)
	{
		ps(n-i);
		pd(i);
		printf("\n");
	}
	for(i=n;i>=1;i--)
	{
		ps(n-i);
		pd(i);
		printf("\n");
	}
	
	return 0;
}

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