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