C
#include<stdio.h>
#include<math.h>
int main()
{
int size=3;
int i,j,k;
for(i=size; i>=-size; i--)
{
for(j=1; j<=abs(i); j++)
{
printf(" ");
}
for(k=abs(i); k<=size; k++)
{
printf("%c",k+65); //65->ASCII of 'A'
}
printf("\n");
}
return 0;
}
C++
#include<iostream.h>
#include<math.h>
int main()
{
int size=3;
int i,j,k;
for(i=size;i>=-size;i--){
for(j=1;j<=abs(i);j++)
{
cout<<" ";
}
for(k=abs(i);k<=size;k++)
{
cout<<char(k+65); //65->ASCII of 'A'
}
cout<<endl;
}
return 0;
}
Java
class PatternProg
{
public static void main(String args[])
{
int size = 3;
int i;
int j;
int k;
for (i = size;i >= -size;i--)
{
for (j = 1;j <= Math.abs(i);j++)
{
System.out.print(" ");
}
for (k = Math.abs(i);k <= size;k++)
{
System.out.print((char)(k + 65));
}
System.out.print("\n");
}
}
}
C#
using System;
class PatternProg
{
public static void Main()
{
int size = 3;
for (int i = size; i >= -size; i--)
{
for (int j = 1; j <= Math.Abs(i); j++)
{
Console.Write(" ");
}
for (int k = Math.Abs(i); k <= size; k++)
{
Console.Write((char)(k + 65));
}
Console.WriteLine();
}
Console.ReadKey(true);
}
}
Python
size = 3
for x in range(size, -(size + 1), -1):
for y in range(abs(x), 0, -1):
print(" ", end="")
for z in range(abs(x), 4):
print(chr(z + 65), end="")
print()