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