View Code of Problem 57

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

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