ภาษาซี

/*int a,i,j,y;
    printf("Enter Number : ");
    scanf ("%d",&a);
    if(a>2 || a<10)
    {
        for(i=1;i<=a;i++)
        {
            for(j=a;j>=i;j--)
            {
            printf("%d",i);    
            }
                printf("\n");    
        }
        
        
        
        for(i=a;i>=1;i--)
        {
            for(j=1;j<=i;j++)
            {
            printf("%d",j);    
            }
                printf("\n");
                for(y=i;y<=a;y++)
                {
                
                printf(" ");
            }
        }
        
        printf("\n");
        
        
        for(i=1;i<=a;i++)
        {
            for(j=1;j<=a;j++)
            {
                
            if(i==1||i==a||j==1||j==a)
            {    
                printf("%d",i);
            
            }
            else
            {
                    printf(" ");
            }
            
            }
                printf("\n");
                    
        }
        
        
        
    }
}