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