Reverse column elements of diamond shape in matrix

Here given code implementation process.

/*
  C Program 
+ Reverse column elements of diamond shape in matrix
*/
#include<stdio.h>
#define ROW 5
#define COL 5


int element_size(int col)
{
  int counter=0;

  while(col>0)
  {
    counter+=col;
    col--;
  }
  return counter*4;

}

void show(int arr[ROW][COL],int row,int col)
{
  for (int i = col; i < (COL)-col; ++i)
  {
    printf("%3d",arr[row][i] );
  }
}
void space(int size)
{
  for (int i = 0; i <= size; ++i)
  {
    printf(" ");
  }
}
void diamond_view(int arr[ROW][COL])
{
  if(ROW != COL || COL%2==0)
  {
    printf("\nNot a valid perfect Odd square matrix");
    return;
  }

  int col = COL / 2;
  int counter = col*3;
  int distance = 3;
  for (int i = 0; i < ROW; ++i)
  {
    space(counter);
    show(arr,i,col);
    
    if(i < ROW/2)
    {
      counter -= distance;
      col--;
    }
    else
    { 
      col++;
      counter += distance;
    }

    printf("\n");
  }

}
//Reverse the horizontal column elements
void reverse(int arr[ROW][COL],int col,int row)
{
  int auxiliary=0;

  for (int i = row,j=0; i < (ROW)-row-i && (ROW-1)-row-j > i; ++i,j++)
  {
 
    //Swap node element values
  
    auxiliary=arr[i][col];

    arr[i][col]= arr[(ROW-1)-row-j][col];

    arr[(ROW-1)-row-j][col]=auxiliary;
  
  }
}
void reverse_element(int arr[ROW][COL])
{
  if(ROW != COL || COL%2==0)
  {
    printf("\nNot a valid perfect Odd square matrix");
    return;
  }

  int row = COL / 2;

  for (int i = 0; i < ROW; ++i)
  {
    reverse(arr,i,row);
    if(i < ROW/2)
    {
      row--;
    }
    else
    { 
      row++;
      
    }
  }
  printf("\n");
}
int main(){

  int matrix[ROW][COL] =
  {
    {1,  2,   3,  4,  5},
    {6,  -7,  8,  2,  10},
    {2, 12, 13, 15,  16},
    {17, 2, 19, 20,  21},
    {22, 23, 24, 25,  2}

  }; 
  diamond_view(matrix);
  reverse_element(matrix);
  
  diamond_view(matrix);

  return 0;
}

Output

         3
     -7  8  2
   2 12 13 15 16
      2 19 20
        24

        24
      2 19 20
   2 12 13 15 16
     -7  8  2
         3
/*
  C++ Program
  Reverse column elements of diamond shape in matrix
*/
#include<iostream>
#define ROW 5
#define COL 5

using namespace std;

class MyMatrix {
	public:
		int rows;
	int cols;
	MyMatrix() {
		//Get the size of matrix
		this->rows = ROW;
		this->cols = COL;
	}
	int element_size(int col) {
		int counter = 0;
		while (col > 0) {
			counter += col;
			col--;
		}
		return counter *4;
	}
	void show(int matrix[][COL], int row, int col) {
		for (int i = col; i < (this->cols) - col; ++i) {
			cout << " " << matrix[row][i];
		}
	}
	void space(int size) {
		for (int i = 0; i <= size; ++i) {
			cout << " ";
		}
	}
	void diamond_view(int matrix[][COL]) {
		if (this->rows != this->cols || this->cols % 2 == 0) {
			cout << "\nNot a valid perfect Odd square matrix";
			return;
		}
		int col = this->cols / 2;
		int counter = col *3;
		int distance = 3;
		for (int i = 0; i < this->rows; ++i) {
			this->space(counter);
			this->show(matrix, i, col);
			if (i < this->rows / 2) {
				counter -= distance;
				col--;
			} else {
				col++;
				counter += distance;
			}
			cout << "\n";
		}
	}
	//Reverse the horizontal column elements
	void reverse(int matrix[][COL], int col, int row) {
		int auxiliary = 0;
		for (int i = row, j = 0; i < (this->rows) - row - i && (this->rows - 1) - row - j > i; ++i, j++) {
			//Swap node element values
			auxiliary = matrix[i][col];
			matrix[i][col] = matrix[(this->rows - 1) - row - j][col];
			matrix[(this->rows - 1) - row - j][col] = auxiliary;
		}
	}
	void reverse_element(int matrix[][COL]) {
		if (this->rows != this->cols || this->cols % 2 == 0) {
			cout << "\nNot a valid perfect Odd square matrix";
			return;
		}
		int row = this->cols / 2;
		for (int i = 0; i < this->rows; ++i) {
			this->reverse(matrix, i, row);
			if (i < this->rows / 2) {
				row--;
			} else {
				row++;
			}
		}
		cout << "\n";
	}
};
int main() {
	int matrix[][COL] = {
		{
			1,
			2,
			3,
			4,
			5
		},
		{
			6,
			-7,
			8,
			2,
			10
		},
		{
			2,
			12,
			13,
			15,
			16
		},
		{
			17,
			2,
			19,
			20,
			21
		},
		{
			22,
			23,
			24,
			25,
			2
		}
	};
	MyMatrix obj;
	obj.diamond_view(matrix);
	obj.reverse_element(matrix);
	obj.diamond_view(matrix);
	return 0;
}

Output

        3
     -7 8 2
  2 12 13 15 16
     2 19 20
        24

        24
     2 19 20
  2 12 13 15 16
     -7 8 2
        3
/*
  Java Program
  Reverse column elements of diamond shape in matrix
*/
public class MyMatrix {

  public int rows;
  public int cols;

  public MyMatrix(int [][]matrix)
  {
    //Get the size of matrix
    this.rows = matrix.length;
    this.cols = matrix[0].length;
  }

  public int element_size(int col)
  {
    int counter=0;

    while(col>0)
    {
      counter+=col;
      col--;
    }
    return counter*4;

  }

  public void show(int [][]matrix,int row,int col)
  {
    for (int i = col; i < (this.cols)-col; ++i)
    {
      System.out.print(" "+matrix[row][i] );
    }
  }
  public void space(int size)
  {
    for (int i = 0; i <= size; ++i)
    {
      System.out.print(" ");
    }
  }
  public void diamond_view(int [][]matrix)
  {
    if(this.rows != this.cols || this.cols%2==0)
    {
      System.out.print("\nNot a valid perfect Odd square matrix");
      return;
    }

    int col = this.cols / 2;
    int counter = col*3;
    int distance = 3;
    for (int i = 0; i < this.rows; ++i)
    {
      space(counter);
      show(matrix,i,col);
      
      if(i < this.rows/2)
      {
        counter -= distance;
        col--;
      }
      else
      { 
        col++;
        counter += distance;
      }

      System.out.print("\n");
    }

  }
  //Reverse the horizontal column elements
  public void reverse(int [][]matrix,int col,int row)
  {
    int auxiliary=0;

    for (int i = row,j=0; i < (this.rows)-row-i && (this.rows-1)-row-j > i; ++i,j++)
    {
   
      //Swap node element values
    
      auxiliary=matrix[i][col];

      matrix[i][col]= matrix[(this.rows-1)-row-j][col];

      matrix[(this.rows-1)-row-j][col]=auxiliary;
    
    }
  }
  public void reverse_element(int [][]matrix)
  {
    if(this.rows != this.cols || this.cols%2==0)
    {
      System.out.print("\nNot a valid perfect Odd square matrix");
      return;
    }

    int row = this.cols / 2;

    for (int i = 0; i < this.rows; ++i)
    {
      reverse(matrix,i,row);
      if(i < this.rows/2)
      {
        row--;
      }
      else
      { 
        row++;
        
      }
    }
    System.out.print("\n");
  }
  public static void main(String[] args) 
  {
    //Define matrix element
    int [][]matrix =
    {
      {1,  2,   3,  4,  5},
      {6,  -7,  8,  2,  10},
      {2, 12, 13, 15,  16},
      {17, 2, 19, 20,  21},
      {22, 23, 24, 25,  2}

    }; 
    MyMatrix obj = new MyMatrix(matrix);
    obj.diamond_view(matrix);
    obj.reverse_element(matrix);
    
    obj.diamond_view(matrix);
  }
}

Output

        3
     -7 8 2
  2 12 13 15 16
     2 19 20
        24

        24
     2 19 20
  2 12 13 15 16
     -7 8 2
        3
using System;

/*
  C# Program
  Reverse column elements of diamond shape in matrix
*/

public class MyMatrix {
	int rows;
	int cols;
	MyMatrix(int[,] matrix) {
		//Get the size of matrix
		this.rows = matrix.GetLength(0);
		this.cols = matrix.GetLength(1);
	}
	public int element_size(int col) {
		int counter = 0;
		while (col > 0) {
			counter += col;
			col--;
		}
		return counter * 4;
	}
	public void show(int[,] matrix, int row, int col) {
		for (int i = col; i < (this.cols) - col; ++i) {
			Console.Write(" " + matrix[row,i]);
		}
	}
	public void space(int size) {
		for (int i = 0; i <= size; ++i) {
			Console.Write(" ");
		}
	}
	public void diamond_view(int[,] matrix) {
		if (this.rows != this.cols || this.cols % 2 == 0) {
			Console.Write("\nNot a valid perfect Odd square matrix");
			return;
		}
		int col = this.cols / 2;
		int counter = col * 3;
		int distance = 3;
		for (int i = 0; i < this.rows; ++i) {
			space(counter);
			show(matrix, i, col);
			if (i < this.rows / 2) {
				counter -= distance;
				col--;
			} else {
				col++;
				counter += distance;
			}
			Console.Write("\n");
		}
	}
	//Reverse the horizontal column elements
	public void reverse(int[,] matrix, int col, int row) {
		int auxiliary = 0;
		for (int i = row, j = 0; i < (this.rows) - row - i && (this.rows - 1) - row - j > i; ++i, j++) {
			//Swap node element values
			auxiliary = matrix[i,col];
			matrix[i,col] = matrix[(this.rows - 1) - row - j,col];
			matrix[(this.rows - 1) - row - j,col] = auxiliary;
		}
	}
	public void reverse_element(int[,] matrix) {
		if (this.rows != this.cols || this.cols % 2 == 0) {
			Console.Write("\nNot a valid perfect Odd square matrix");
			return;
		}
		int row = this.cols / 2;
		for (int i = 0; i < this.rows; ++i) {
			reverse(matrix, i, row);
			if (i < this.rows / 2) {
				row--;
			} else {
				row++;
			}
		}
		Console.Write("\n");
	}
	public static void Main(String[] args) {
		int[,]
		//Define matrix element
		matrix = {
			{
				1,
				2,
				3,
				4,
				5
			},
			{
				6,
				-7,
				8,
				2,
				10
			},
			{
				2,
				12,
				13,
				15,
				16
			},
			{
				17,
				2,
				19,
				20,
				21
			},
			{
				22,
				23,
				24,
				25,
				2
			}
		};
		MyMatrix obj = new MyMatrix(matrix);
		obj.diamond_view(matrix);
		obj.reverse_element(matrix);
		obj.diamond_view(matrix);
	}
}

Output

        3
     -7 8 2
  2 12 13 15 16
     2 19 20
        24

        24
     2 19 20
  2 12 13 15 16
     -7 8 2
        3
<?php
/*
  Php Program
  Reverse column elements of diamond shape in matrix
*/
class MyMatrix {
	public $rows;
	public $cols;

	function __construct($matrix) {
		//Get the size of matrix
		$this->rows = count($matrix);
		$this->cols = count($matrix[0]);
	}
	public 	function element_size($col) {
		$counter = 0;
		while ($col > 0) {
			$counter += $col;
			$col--;
		}
		return $counter *4;
	}
	public 	function show($matrix, $row, $col) {
		for ($i = $col; $i < ($this->cols) - $col; ++$i) {
			echo(" ". $matrix[$row][$i]);
		}
	}
	public 	function space($size) {
		for ($i = 0; $i <= $size; ++$i) {
			echo(" ");
		}
	}
	public 	function diamond_view($matrix) {
		if ($this->rows != $this->cols || $this->cols % 2 == 0) {
			echo("\nNot a valid perfect Odd square matrix");
			return;
		}
		$col = intval($this->cols / 2);
		$counter = $col *3;
		$distance = 3;
		for ($i = 0; $i < $this->rows; ++$i) {
			$this->space($counter);
			$this->show($matrix, $i, $col);
			if ($i < intval($this->rows / 2)) {
				$counter -= $distance;
				$col--;
			} else {
				$col++;
				$counter += $distance;
			}
			echo("\n");
		}
	}
	//Reverse the horizontal column elements

	public 	function reverse(&$matrix, $col, $row) {
		$auxiliary = 0;
		for ($i = $row, $j = 0; $i < ($this->rows) - $row - $i && ($this->rows - 1) - $row - $j > $i; ++$i, $j++) {
			//Swap node element values
			$auxiliary = $matrix[$i][$col];
			$matrix[$i][$col] = $matrix[($this->rows - 1) - $row - $j][$col];
			$matrix[($this->rows - 1) - $row - $j][$col] = $auxiliary;
		}
	}
	public 	function reverse_element(&$matrix) {
		if ($this->rows != $this->cols || $this->cols % 2 == 0) {
			echo("\nNot a valid perfect Odd square matrix");
			return;
		}
		$row = intval($this->cols / 2);
		for ($i = 0; $i < $this->rows; ++$i) {
			$this->reverse($matrix, $i, $row);
			if ($i < intval($this->rows / 2)) {
				$row--;
			} else {
				$row++;
			}
		}
		echo("\n");
	}
}

function main() {
	//Define matrix element
	$matrix = array(
      array(1, 2, 3, 4, 5), 
      array(6, -7, 8, 2, 10), 
      array(2, 12, 13, 15, 16), 
      array(17, 2, 19, 20, 21), 
      array(22, 23, 24, 25, 2));
	$obj = new MyMatrix($matrix);
	$obj->diamond_view($matrix);
	$obj->reverse_element($matrix);
	$obj->diamond_view($matrix);

}
main();

Output

        3
     -7 8 2
  2 12 13 15 16
     2 19 20
        24

        24
     2 19 20
  2 12 13 15 16
     -7 8 2
        3
/*
  Node Js Program
  Reverse column elements of diamond shape in matrix
*/
class MyMatrix {
	constructor(matrix) {
		//Get the size of matrix
		this.rows = matrix.length;
		this.cols = matrix[0].length;
	}
	element_size(col) {
		var counter = 0;
		while (col > 0) {
			counter += col;
			col--;
		}

		return counter *4;
	}
	show(matrix, row, col) {
		for (var i = col; i < (this.cols) - col; ++i) {
			process.stdout.write(" " + matrix[row][i]);
		}
	}
	space(size) {
		for (var i = 0; i <= size; ++i) {
			process.stdout.write(" ");
		}
	}
	diamond_view(matrix) {
		if (this.rows != this.cols || this.cols % 2 == 0) {
			process.stdout.write("\nNot a valid perfect Odd square matrix");
			return;
		}
		var col = parseInt(this.cols / 2);
		var counter = col *3;
		var distance = 3;
		for (var i = 0; i < this.rows; ++i) {
			this.space(counter);
			this.show(matrix, i, col);
			if (i < parseInt(this.rows / 2)) {
				counter -= distance;
				col--;
			} else {
				col++;
				counter += distance;
			}

			process.stdout.write("\n");
		}
	}

	//Reverse the horizontal column elements
	reverse(matrix, col, row) {
		var auxiliary = 0;
		for (var i = row, j = 0; i < (this.rows) - row - i && (this.rows - 1) - row - j > i; ++i, j++) {
			//Swap node element values
			auxiliary = matrix[i][col];
			matrix[i][col] = matrix[(this.rows - 1) - row - j][col];
			matrix[(this.rows - 1) - row - j][col] = auxiliary;
		}
	}
	reverse_element(matrix) {
		if (this.rows != this.cols || this.cols % 2 == 0) {
			process.stdout.write("\nNot a valid perfect Odd square matrix");
			return;
		}
		var row = parseInt(this.cols / 2);
		for (var i = 0; i < this.rows; ++i) {
			this.reverse(matrix, i, row);
			if (i < parseInt(this.rows / 2)) {
				row--;
			} else {
				row++;
			}
		}

		process.stdout.write("\n");
	}
}

function main(args) {
	//Define matrix element
	var matrix = [
		[1, 2, 3, 4, 5],
		[6, -7, 8, 2, 10],
		[2, 12, 13, 15, 16],
		[17, 2, 19, 20, 21],
		[22, 23, 24, 25, 2]
	];
	var obj = new MyMatrix(matrix);
	obj.diamond_view(matrix);
	obj.reverse_element(matrix);
	obj.diamond_view(matrix);
}

main();

Output

        3
     -7 8 2
  2 12 13 15 16
     2 19 20
        24

        24
     2 19 20
  2 12 13 15 16
     -7 8 2
        3
# Python 3 Program
# Reverse column elements of diamond shape in matrix
class MyMatrix :
	
	def __init__(self, matrix) :
		# Get the size of matrix
		self.rows = len(matrix)
		self.cols = len(matrix[0])
	
	def element_size(self, col) :
		counter = 0
		while (col > 0) :
			counter += col
			col -= 1
		
		return counter * 4
	
	def show(self, matrix, row, col) :
		i = col
		while (i < (self.cols) - col) :
			print(" ", matrix[row][i], end = "")
			i += 1
		
	
	def space(self, size) :
		i = 0
		while (i <= size) :
			print(end = " ")
			i += 1
		
	
	def diamond_view(self, matrix) :
		if (self.rows != self.cols or self.cols % 2 == 0) :
			print("\nNot a valid perfect Odd square matrix", end = "")
			return
		
		col = int(self.cols / 2)
		counter = col * 3
		distance = 3
		i = 0
		while (i < self.rows) :
			self.space(counter)
			self.show(matrix, i, col)
			if (i < int(self.rows / 2)) :
				counter -= distance
				col -= 1
			else :
				col += 1
				counter += distance
			
			print("\n", end = "")
			i += 1
		
	
	# Reverse the horizontal column elements
	def reverse(self, matrix, col, row) :
		auxiliary = 0
		i = row
		j = 0
		while (i < (self.rows) - row - i and(self.rows - 1) - row - j > i) :
			# Swap node element values
			auxiliary = matrix[i][col]
			matrix[i][col] = matrix[(self.rows - 1) - row - j][col]
			matrix[(self.rows - 1) - row - j][col] = auxiliary
			i += 1
			j += 1
		
	
	def reverse_element(self, matrix) :
		if (self.rows != self.cols or self.cols % 2 == 0) :
			print("\nNot a valid perfect Odd square matrix", end = "")
			return
		
		row = int(self.cols / 2)
		i = 0
		while (i < self.rows) :
			self.reverse(matrix, i, row)
			if (i < int(self.rows / 2)) :
				row -= 1
			else :
				row += 1
			
			i += 1
		
		print("\n", end = "")
	

def main() :
	matrix = [
		[1, 2, 3, 4, 5],
		[6, -7, 8, 2, 10],
		[2, 12, 13, 15, 16],
		[17, 2, 19, 20, 21],
		[22, 23, 24, 25, 2]
	]
	obj = MyMatrix(matrix)
	obj.diamond_view(matrix)
	obj.reverse_element(matrix)
	obj.diamond_view(matrix)


if __name__ == "__main__":
	main()

Output

         3
      -7  8  2
   2  12  13  15  16
      2  19  20
         24

         24
      2  19  20
   2  12  13  15  16
      -7  8  2
         3
# Ruby Program
# Reverse column elements of diamond shape in matrix
class MyMatrix 
	# Define the accessor and reader of class MyMatrix
    attr_reader :rows, :cols
    attr_accessor :rows, :cols
	def initialize(matrix) 
		# Get the size of matrix
		self.rows = matrix.length
		self.cols = matrix[0].length
	end
	def element_size(col) 
		counter = 0
		while (col > 0) 
			counter += col
			col -= 1
		end
		return counter * 4
	end
	def show(matrix, row, col) 
		i = col
		while (i < (self.cols) - col) 
			print(" ", matrix[row][i])
			i += 1
		end
	end
	def space(size) 
		i = 0
		while (i <= size) 
			print(" ")
			i += 1
		end
	end
	def diamond_view(matrix) 
		if (self.rows != self.cols || self.cols % 2 == 0) 
			print("\nNot a valid perfect Odd square matrix")
			return
		end
		col = self.cols / 2
		counter = col * 3
		distance = 3
		i = 0
		while (i < self.rows) 
			self.space(counter)
			self.show(matrix, i, col)
			if (i < self.rows / 2) 
				counter -= distance
				col -= 1
			else 
				col += 1
				counter += distance
			end
			print("\n")
			i += 1
		end
	end
	# Reverse the horizontal column elements
	def reverse(matrix, col, row) 
		auxiliary = 0
		i = row
		j = 0
		while (i < (self.rows) - row - i && (self.rows - 1) - row - j > i) 
			# Swap node element values
			auxiliary = matrix[i][col]
			matrix[i][col] = matrix[(self.rows - 1) - row - j][col]
			matrix[(self.rows - 1) - row - j][col] = auxiliary
			i += 1
			j += 1
		end
	end
	def reverse_element(matrix) 
		if (self.rows != self.cols || self.cols % 2 == 0) 
			print("\nNot a valid perfect Odd square matrix")
			return
		end
		row = self.cols / 2
		i = 0
		while (i < self.rows) 
			self.reverse(matrix, i, row)
			if (i < self.rows / 2) 
				row -= 1
			else 
				row += 1
			end
			i += 1
		end
		print("\n")
	end
end
def main() 
	matrix = [
		[1, 2, 3, 4, 5],
		[6, -7, 8, 2, 10],
		[2, 12, 13, 15, 16],
		[17, 2, 19, 20, 21],
		[22, 23, 24, 25, 2]
	]
	obj = MyMatrix.new(matrix)
	obj.diamond_view(matrix)
	obj.reverse_element(matrix)
	obj.diamond_view(matrix)
end


main()

Output

        3
     -7 8 2
  2 12 13 15 16
     2 19 20
        24

        24
     2 19 20
  2 12 13 15 16
     -7 8 2
        3
/*
  Scala Program
  Reverse column elements of diamond shape in matrix
*/
class MyMatrix (var rows: Int,var cols: Int){
	
	def this(matrix: Array[Array[Int]]) {
		//Get the size of matrix
		this(matrix.length,matrix(0).length);
	}
	def element_size(size: Int): Int = {
		var counter: Int = 0;
      	var col: Int = size;
		while (col > 0) {
			counter += col;
			col -= 1;
		}
		return counter * 4;
	}
	def show(matrix: Array[Array[Int]], row: Int, col: Int): Unit = {
		var i: Int = col;
		while (i < (this.cols) - col) {
			print(" " + matrix(row)(i));
			i += 1;
		}
	}
	def space(size: Int): Unit = {
		var i: Int = 0;
		while (i <= size) {
			print(" ");
			i += 1;
		}
	}
	def diamond_view(matrix: Array[Array[Int]]): Unit = {
		if (this.rows != this.cols || this.cols % 2 == 0) {
			print("\nNot a valid perfect Odd square matrix");

			return;
		}
		var col: Int = (this.cols / 2).toInt;
		var counter: Int = col * 3;
		val distance: Int = 3;
		var i: Int = 0;
		while (i < this.rows) {
			this.space(counter);
			this.show(matrix, i, col);

			if (i < (this.rows / 2).toInt) {
				counter -= distance;
				col -= 1;
			} else {
				col += 1;
				counter += distance;
			}
			print("\n");
			i += 1;
		}
	}
	//Reverse the horizontal column elements
	def reverse(matrix: Array[Array[Int]], col: Int, row: Int): Unit = {
		var auxiliary: Int = 0;
		var i: Int = row;
		var j: Int = 0;
		while (i < (this.rows) - row - i && (this.rows - 1) - row - j > i) {
			//Swap node element values
			auxiliary = matrix(i)(col);
			matrix(i)(col) = matrix((this.rows - 1) - row - j)(col);
			matrix((this.rows - 1) - row - j)(col) = auxiliary;
			i += 1;
			j += 1;
		}
	}
	def reverse_element(matrix: Array[Array[Int]]): Unit = {
		if (this.rows != this.cols || this.cols % 2 == 0) {
			print("\nNot a valid perfect Odd square matrix");

			return;
		}
		var row: Int = (this.cols / 2).toInt;
		var i: Int = 0;
		while (i < this.rows) {
			this.reverse(matrix, i, row);

			if (i < (this.rows / 2).toInt) {
				row -= 1;
			} else {
				row += 1;
			}
			i += 1;
		}
		print("\n");
	}
}
object Main {
	def main(args: Array[String]): Unit = {
		val matrix: Array[Array[Int]] = Array(
			Array(1, 2, 3, 4, 5),
			Array(6, -7, 8, 2, 10),
			Array(2, 12, 13, 15, 16),
			Array(17, 2, 19, 20, 21),
			Array(22, 23, 24, 25, 2));
		val obj: MyMatrix = new MyMatrix(matrix);
		obj.diamond_view(matrix);
		obj.reverse_element(matrix);
		obj.diamond_view(matrix);
	}
}

Output

        3
     -7 8 2
  2 12 13 15 16
     2 19 20
        24

        24
     2 19 20
  2 12 13 15 16
     -7 8 2
        3
/*
  Swift Program
  Reverse column elements of diamond shape in matrix
*/
class MyMatrix {
	var rows: Int;
	var cols: Int;
	init(_ matrix: [[Int]]) {
		//Get the size of matrix
		self.rows = matrix.count;
		self.cols = matrix[0].count;
	}
	func element_size(_ size: Int) -> Int {
		var counter: Int = 0;
      	var col: Int = size;
		while (col > 0) {
			counter += col;
			col -= 1;
		}
		return counter * 4;
	}
	func show(_ matrix: [[Int]], _ row: Int, _ col: Int) {
		var i: Int = col;
		while (i < (self.cols) - col) {
			print(" ", matrix[row][i], terminator: "");
			i += 1;
		}
	}
	func space(_ size: Int) {
		var i: Int = 0;
		while (i <= size) {
			print(" ", terminator: "");
			i += 1;
		}
	}
	func diamond_view(_ matrix: [
		[Int]
	]) {
		if (self.rows != self.cols || self.cols % 2 == 0) {
			print("\nNot a valid perfect Odd square matrix", terminator: "");
			return;
		}
		var col: Int = self.cols / 2;
		var counter: Int = col * 3;
		let distance: Int = 3;
		var i: Int = 0;
		while (i < self.rows) {
			self.space(counter);
			self.show(matrix, i, col);
			if (i < self.rows / 2) {
				counter -= distance;
				col -= 1;
			} else {
				col += 1;
				counter += distance;
			}
			print("\n", terminator: "");
			i += 1;
		}
	}
	//Reverse the horizontal column elements
	func reverse(_ matrix: inout [[Int]], _ col: Int, _ row: Int) {
		var auxiliary: Int = 0;
		var i: Int = row;
		var j: Int = 0;
		while (i < (self.rows) - row - i && (self.rows - 1) - row - j > i) {
			//Swap node element values
			auxiliary = matrix[i][col];
			matrix[i][col] = matrix[(self.rows - 1) - row - j][col];
			matrix[(self.rows - 1) - row - j][col] = auxiliary;
			i += 1;
			j += 1;
		}
	}
	func reverse_element(_ matrix: inout [[Int]]) {
		if (self.rows != self.cols || self.cols % 2 == 0) {
			print("\nNot a valid perfect Odd square matrix", terminator: "");
			return;
		}
		var row: Int = self.cols / 2;
		var i: Int = 0;
		while (i < self.rows) {
			self.reverse(&matrix, i, row);
			if (i < self.rows / 2) {
				row -= 1;
			} else {
				row += 1;
			}
			i += 1;
		}
		print("\n", terminator: "");
	}
}
func main() {
	var matrix: [[Int]] = [
		[1, 2, 3, 4, 5],
		[6, -7, 8, 2, 10],
		[2, 12, 13, 15, 16],
		[17, 2, 19, 20, 21],
		[22, 23, 24, 25, 2]
	];
	let obj: MyMatrix = MyMatrix(matrix);
	obj.diamond_view(matrix);
	obj.reverse_element(&matrix);
	obj.diamond_view(matrix);
}
main();

Output

         3
      -7  8  2
   2  12  13  15  16
      2  19  20
         24

         24
      2  19  20
   2  12  13  15  16
      -7  8  2
         3


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