C
#include <stdio.h>
int main()
{
int n = 7;
int i,j;
int x = 1;
for(i = 1; i <= n; i++)
{
for(j = 1; j < 2 * x; j++)
{
if (j <= x)
printf("%c ", j + 64);
else
printf("%c ", 64 + 2 * x - j);
}
if (i <= n / 2)
x++;
else
x--;
printf("\n");
}
return 0;
}
C++
#include <iostream.h>
int main()
{
int n = 7;
int x = 1;
for(int i = 1; i <= n; i++)
{
for(int j = 1; j < 2 * x; j++)
{
if (j <= x)
cout<<(char)(j+64)<<" ";
else
cout<<(char)(64 + 2 * x - j)<<" ";
}
if (i <= n / 2)
x++;
else
x--;
cout<<endl;
}
return 0;
}
Java
class PatternProg
{
public static void main(String args[])
{
int n = 7;
int x = 1;
for (int i = 1; i <= n; i++)
{
for (int j = 1; j < 2 * x; j++)
{
if (j <= x)
{
System.out.print((char)(j + 64)+" ");
}
else
{
System.out.print((char)(64 + 2 * x - j)+" ");
}
}
if (i <= n / 2)
{
x++;
}
else
{
x--;
}
System.out.println();
}
}
}
C#
using System;
class PatternProg
{
public static void Main()
{
int n = 7;
int x = 1;
for (int i = 1; i <= n; i++)
{
for (int j = 1; j < 2 * x; j++)
{
if (j <= x)
{
Console.Write((char)(j + 64) + " ");
}
else
{
Console.Write((char)(64 + 2 * x - j) + " ");
}
}
if (i <= n / 2)
{
x++;
}
else
{
x--;
}
Console.WriteLine();
}
Console.ReadKey(true);
}
}
Python
n = 7
d = 1
for x in range(1, n + 1):
for y in range(1, 2 * d):
if y <= d:
print(chr(y + 64) + " ", end="")
else:
print(chr(64 + 2 * d - y) + " ", end="")
if x <= n // 2:
d += 1
else:
d -= 1
print()