View Code of Problem 57

#include <stdio.h>
#include <stdlib.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 >= 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");
    }
    return 0;
}