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