View Code of Problem 57

#include<stdio.h> 
#include<string.h>
#include<math.h>

int main(){ 
    int i,j,n;
    scanf("%d",&n);
    for(i=1;i<=n;i++){
    	for(j=n-i;j>0;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=n-i;j>0;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; 
     
}