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