C
#include<stdio.h>
#include<math.h>
int main()
{
int size=4;
int i,j,k;
int p=1;
for(i=size; i>=-size; i--)
{
for(j=1; j<=abs(i); j++)
{
printf(" ");
}
/*initialize p with 1 (i>=0) or j */
p=(i>=0)?1:j;
for(k=size; k>=abs(i); k--)
{
printf("%d ",p);
p++;
}
printf("\n");
}
return 0;
}
C++
#include<iostream.h>
#include<math.h>
int main()
{
int size=4;
int i,j,k;
int p=1;
for(i=size;i>=-size;i--)
{
for(j=1;j<=abs(i);j++)
{
cout<<" ";
}
/*initialize p with 1 (i>=0) or j */
p=(i>=0)?1:j;
for(k=size;k>=abs(i);k--)
{
cout<<p<<" ";
p++;
}
cout<<endl;
}
return 0;
}
Java
class PatternProg
{
public static void main(String args[])
{
int size = 4;
int p = 1;
int i,j;
for (i = size; i >= -size; i--)
{
for (j = 1; j <= Math.abs(i); j++)
{
System.out.print(" ");
}
/*initialize p with 1 (i>=0) or j */
p=(i>=0)?1:j;
for (int k = size; k >= Math.abs(i); k--)
{
System.out.print(p+" ");
p++;
}
System.out.println();
}
}
}
C#
using System;
class PatternProg
{
public static void Main()
{
int size = 4;
int p;
int i, j, k;
for (i = size; i >= -size; i--)
{
for (j = 1; j <= Math.Abs(i); j++)
{
Console.Write(" ");
}
/*initialize p with 1 (i>=0) or j */
p = (i >= 0) ? 1 : j;
for (k = size; k >= Math.Abs(i); k--)
{
Console.Write(p + " ");
p++;
}
Console.WriteLine();
}
Console.ReadKey(true);
}
}
Python
size = 4
p = 1
for x in range(size, -(size + 1), -1):
for y in range(1, abs(x) + 1):
print(" ", end="")
if (x >= 0):
p = 1
else:
p = y + 1
for z in range(size, abs(x) - 1, -1):
print(str(p) + " ", end="")
p += 1
print()