View Code of Problem 57

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