View Code of Problem 57

#include <stdio.h>
int main()
{
	int n;
	int i,j,k;
	scanf("%d",&n);
	for(i=1;i<=n;i++)
	{
		for(j=n-i;j>0;j--)
		{
			printf(" ");
		}
		for(k=1;k<=i;k++)
		{
			printf("%d",k);
		}
		for(k=i-1;k>0;k--)
		{
			printf("%d",k);
		}
		printf("\n");
	}
    for(i=n+1;i<2*n;i++)
	{
		for(j=i-n;j>0;j--)
		{
			printf(" ");
		}
		for(k=1;k<=2*n-i;k++)
		{
			printf("%d",k);
		}
		for(k=2*n-i-1;k>0;k--)
		{
			printf("%d",k);
		}
		printf("\n");
	}
	return 0;
}

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