Pattern 145

Pattern 145 post thumbnail image

C

#include<stdio.h>
int main()
{
  int n=5; //size
  int z=1;
  int i,j,k;

  for(i=n; i>=1; i--)
  {
    for(j=1; j<i; j++)
    {
      printf("  "); // 2ws
    }
    for(k=0; k<z; k++)
    {
      printf("%2d",k+j);
    }
    z+=2;
    printf("\n");
  }
}

/*
Alternate Logic (if-else)
int main()
{
 int n = 5;
 int i,j;

 for(i = 1; i <= n; i++)
 {
  for(j = 1; j <= n * 2; j++)
  {
   if (j >= n - i + 1 && j <= n + i - 1)
   {
     printf("%2d", j);
   }
   else
   {
    printf("  "); // 2ws
   }
  }
  printf("\n");
 }
 return 0;
}
*/

C++

 #include<iostream.h>
 
 int main()
 {
  int n=5; //size
  int z=1;
  int i,j,k;
  
  for(i = n;i>=1;i--)
  {
   for(j = 1;j<i;j++)
   { 
    cout<<"  "; // 2ws
   }
    for(k = 0;k<z;k++)
    { 
     cout<<(k + j)<<" "; 
    }
  z+=2;
  cout<<endl;
  }
 }

/*
Alternate Logic (if-else)
int main()
{
 int n = 5;
 

 for(int i = 1; i <= n; i++)
 {
  for(int j = 1; j <= n * 2; j++)
  {
   if (j >= n - i + 1 && j <= n + i - 1)
   {
     cout<<j<<" ";
   }
   else
   {
    cout<<"  "; // 2ws // 2ws
   }
  }
  cout<<endl;
 }
 return 0;
}
*/

Java

  class PatternProg
  {
	 public static void main(String args[])
	 {
	  int n = 5; //size
	  int z = 1;
	  int i;
	  int j;
	  int k;

	  for (i = n;i >= 1;i--)
	  {
	   for (j = 1;j < i;j++)
	   {
		System.out.print("  "); //2ws
	   }
		for (k = 0;k < z;k++)
		{
		 System.out.print((k + j)+" ");
		}
	  z += 2;
	  System.out.println();
	  }
	 }
}
/*
Alternate Logic (if-else)
main()
{
 int n = 5;
 

 for(int i = 1; i <= n; i++)
 {
  for(int j = 1; j <= n * 2; j++)
  {
   if (j >= n - i + 1 && j <= n + i - 1)
   {
     System.out.print(j+" ");
   }
   else
   {
    System.out.print("  ");// 2ws
   }
  }
  System.out.println();
 }
 
}
*/

C#

using System;

class PatternProg
{
  public static void Main()
  {
    int n = 5; //size
    int z = 1;
    int i;
    int j;
    int k;

    for (i = n; i >= 1; i--)
    {
      for (j = 1; j < i; j++)
      {
        Console.Write("  "); //2ws
      }
      for (k = 0; k < z; k++)
      {
        Console.Write((k + j) + " ");
      }
      z += 2;
      Console.WriteLine();
    }
    Console.ReadKey(true);
  }
}
/*
Alternate Logic (if-else)
int main()
{
 int n = 5;


 for(int i = 1; i <= n; i++)
 {
  for(int j = 1; j <= n * 2; j++)
  {
   if (j >= n - i + 1 && j <= n + i - 1)
   {
     Console.Write(j+" ");
   }
   else
   {
     Console.Write("  "); // 2ws
   }
  }
  cout<<endl;
 }


}
*/

Python

n = 5 # size
a = 1

for x in range(n, 0, -1):
  for y in range(1, x):
    print("  ", end="") # 3ws

  for z in range(0, a):
    print(str(z + y)+" ", end="")

  a += 2
  print()
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