View Code of Problem 57

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


	for(i=n-1; i>0; i--) {
		for(j=1; j<=n-i; j++)
			printf(" ");
		for(j=1; j<=i; j++)
			printf("%d",j);
		for(j=i-1; j>0; j--)
			printf("%d",j);
		printf("\n");
	}

return 0;
}