C
#include<stdio.h>
int main()
{
int p_height=4;
int width=p_height*2-1;
int p_space=p_height-1;
int i,j,k;
for (i=p_height; i>=1; i--)
{
for (j=p_space; j>=i; j--)
{
printf(" ");
}
for (k=1; k<=width; k++)
{
printf("%d",i);
}
width-=2;
printf("\n");
}
return 0;
}
C++
#include<iostream.h>
int main()
{
int p_height=4;
int s=p_height*2-1;
int p_space=p_height-1;
int i,j,k;
for (int i=p_height; i>=1; i--)
{
for (int j=p_space; j>=i; j--)
{
cout<<" ";
}
for (int k=1; k<=s; k++)
{
cout<<i;
}
s-=2;
cout<<endl;
}
return 0;
}
Java
class PatternProg
{
public static void main(String args[])
{
int p_height=4;
int s=p_height*2-1;
int p_space=p_height-1;
for (int i=p_height; i>=1; i--)
{
for (int j=p_space; j>=i; j--)
{
System.out.print(" ");
}
for (int k=1; k<=s; k++)
{
System.out.print(i);
}
s-=2;
System.out.println();
}
} //end of main
} //end of class
C#
using System;
class PatternProg
{
public static void Main()
{
int p_height = 4;
int s = p_height * 2 - 1;
int p_space = p_height - 1;
for (int i = p_height; i >= 1; i--)
{
for (int j = p_space; j >= i; j--)
{
Console.Write(" ");
}
for (int k = 1; k <= s; k++)
{
Console.Write(i);
}
s -= 2;
Console.WriteLine();
}
Console.ReadKey(true);
} //end of main
} //end of class
Python
decr = 7
for x in range(4, 0, -1):
for y in range(x, 5):
print(" ", end="")
print(str(x) * decr)
decr -= 2