C
#include<stdio.h>
#include<math.h>
int main()
{
int n=5; //size;
int z=1,l=1;
int i,j,k;
for(i=0; i<5; i++)
{
for(j=4; j>i; j--)
{
printf(" ");
}
for(k=1; k<=z; k++)
{
printf("%c",abs(k-l)+65);
}
l++;
z+=2;
printf("\n");
}
return 0;
}
C++
#include<iostream.h>
#include<math.h>
int main()
{
int n=5; //size;
int z=1,l=1;
int i,j,k;
for(i=0;i<5;i++){
for(j=4;j>i;j--)
{
cout<<" ";
}
for(k=1;k<=z;k++)
{
cout<<char(abs(k-l)+65);
}
l++;
z+=2;
cout<<endl;
}
return 0;
}
Java
class PatternProg
{
public static void main(String args[])
{
int n = 5; //size;
int z = 1;
int l = 1;
int i;
int j;
int k;
for (i = 0;i < 5;i++)
{
for (j = 4;j > i;j--)
{
System.out.print(" ");
}
for (k = 1;k <= z;k++)
{
System.out.print((char)(Math.abs(k - l) + 65));
}
l++;
z += 2;
System.out.print("\n");
}
}
}
C#
using System;
class PatternProg
{
public static void Main()
{
int n = 5; //size;
int z = 1;
int l = 1;
for (int i = 0; i < 5; i++)
{
for (int j = 4; j > i; j--)
{
Console.Write(" ");
}
for (int k = 1; k <= z; k++)
{
Console.Write((char)(Math.Abs(k - l) + 65));
}
l++;
z += 2;
Console.WriteLine();
}
Console.ReadKey(true);
}
}
Python
inc = 1
for x in range(1, 6):
for y in range(5, x, -1):
print(" ", end="")
for z in range(1, inc + 1):
print(chr(abs(z - x) + 65), end="")
inc += 2;
print()