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Rotate middle diamond element in matrix by clockwise

Rotating the middle diamond element of a matrix in a clockwise direction refers to a process of repositioning the values of the elements within the diamond shape formed by the centermost elements of a matrix.

Code Solution

/*
  C Program 
  Rotate middle diamond element in matrix by clockwise
*/
#include<stdio.h>
#define ROW 5
#define COL 5

//Rotate diamond element in square matrix clockwise
void rotate_element(int matrix[ROW][COL],
  int s_row,
  int s_col,
  int e_row,
  int e_col,
  int k)
{

  //Calculate middle column in matrix
  int mid_col = s_col + ((e_col - s_col)/2);

  //Calculate middle row in matrix
  int mid_row = mid_col;

  int back=matrix[s_row][mid_col],current=0;

  for (int i = mid_col+1,j=1; i < e_col && k > 0 ; ++i,k--,j++)
  {
    current = matrix[s_row+j][i];
    matrix[s_row+j][i] = back ;
    back=current;
  }

  for (int i = e_col,j=0; i >= mid_col && k > 0 ; --i,k--,j++)
  {
    current  = matrix[(mid_row)+j][i];
    matrix[(mid_row)+j][i] = back ;
    back=current;
  }

  for (int i = mid_col-1,j=1; i >= s_col && k > 0 ; --i,k--,j++)
  {
    
    current = matrix[(e_col)-j][i];
    matrix[(e_col)-j][i] = back ;
    back=current;
  }
  
  for (int i = s_col+1,j=1; i <= mid_col && k > 0 ; ++i,k--,j++)
  {
   
    current = matrix[(mid_row)-j][i] ;
    matrix[(mid_row)-j][i]= back ;
    back=current;
  }

  if(s_row+1 <= e_row-1 && k > 0)
  {
    //Recursive call
    rotate_element(matrix, s_row+1, s_col+1, e_row-1, e_col-1, k);
  }
  
    
}
//Count number of diamond element
int element_size(int col)
{
  int counter=0;

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

}
void rotate(int matrix[ROW][COL])
{
  if(ROW != COL || COL % 2 == 0)
  {
    printf("\nNot a valid perfect Odd square matrix");
    return;
  }
  int size=element_size((COL)/2)+1;

  rotate_element(matrix, 0, 0, ROW-1, COL-1, size);


}

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");
  }

}
int main(){

  //Define matrix element
  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);
  rotate(matrix);
  diamond_view(matrix);


  return 0;
}

Output

         3
     -7  8  2
   2 12 13 15 16
      2 19 20
        24
        -7
      2 12  3
   2 19 13  8  2
     24 15 16
        20
/*
  C++ Program
  Rotate middle diamond element in matrix by clockwise
*/
#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;
	}
	//Rotate diamond element in square matrix clockwise
	void rotate_element(int matrix[][COL], int s_row, int s_col, int e_row, int e_col, int k) {
		//Calculate middle column in matrix
		int mid_col = s_col + ((e_col - s_col) / 2);
		//Calculate middle row in matrix
		int mid_row = mid_col;
		int back = matrix[s_row][mid_col], current = 0;
		for (int i = mid_col + 1, j = 1; i < e_col && k > 0; ++i, k--, j++) {
			current = matrix[s_row + j][i];
			matrix[s_row + j][i] = back;
			back = current;
		}
		for (int i = e_col, j = 0; i >= mid_col && k > 0; --i, k--, j++) {
			current = matrix[(mid_row) + j][i];
			matrix[(mid_row) + j][i] = back;
			back = current;
		}
		for (int i = mid_col - 1, j = 1; i >= s_col && k > 0; --i, k--, j++) {
			current = matrix[(e_col) - j][i];
			matrix[(e_col) - j][i] = back;
			back = current;
		}
		for (int i = s_col + 1, j = 1; i <= mid_col && k > 0; ++i, k--, j++) {
			current = matrix[(mid_row) - j][i];
			matrix[(mid_row) - j][i] = back;
			back = current;
		}
		if (s_row + 1 <= e_row - 1 && k > 0) {
			//Recursive call
			this->rotate_element(matrix, s_row + 1, s_col + 1, e_row - 1, e_col - 1, k);
		}
	}
	//Count number of diamond element
	int element_size(int col) {
		int counter = 0;
		while (col > 0) {
			counter += col;
			col--;
		}
		return counter *4;
	}
	void rotate(int matrix[][COL]) {
		if (this->rows != this->cols || this->cols % 2 == 0) {
			cout << "\nNot a valid perfect Odd square matrix";
			return;
		}
		int size = this->element_size((this->cols) / 2) + 1;
		this->rotate_element(matrix, 0, 0, this->rows - 1, this->cols - 1, size);
	}
	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";
		}
	}
};
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.rotate(matrix);
	obj.diamond_view(matrix);
	return 0;
}

Output

        3
     -7  8  2
  2  12  13  15  16
     2  19  20
        24
        -7
     2  12  3
  2  19  13  8  2
     24  15  16
        20
/*
  Java Program
  Rotate middle diamond element in matrix by clockwise
*/
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;
  }
  //Rotate diamond element in square matrix clockwise
  public void rotate_element(int [][]matrix,
    int s_row,
    int s_col,
    int e_row,
    int e_col,
    int k)
  {

    //Calculate middle column in matrix
    int mid_col = s_col + ((e_col - s_col)/2);

    //Calculate middle row in matrix
    int mid_row = mid_col;

    int back=matrix[s_row][mid_col],current=0;

    for (int i = mid_col+1,j=1; i < e_col && k > 0 ; ++i,k--,j++)
    {
      current = matrix[s_row+j][i];
      matrix[s_row+j][i] = back ;
      back=current;
    }

    for (int i = e_col,j=0; i >= mid_col && k > 0 ; --i,k--,j++)
    {
      current  = matrix[(mid_row)+j][i];
      matrix[(mid_row)+j][i] = back ;
      back=current;
    }

    for (int i = mid_col-1,j=1; i >= s_col && k > 0 ; --i,k--,j++)
    {
      
      current = matrix[(e_col)-j][i];
      matrix[(e_col)-j][i] = back ;
      back=current;
    }
    
    for (int i = s_col+1,j=1; i <= mid_col && k > 0 ; ++i,k--,j++)
    {
     
      current = matrix[(mid_row)-j][i] ;
      matrix[(mid_row)-j][i]= back ;
      back=current;
    }

    if(s_row+1 <= e_row-1 && k > 0)
    {
      //Recursive call
      rotate_element(matrix, s_row+1, s_col+1, e_row-1, e_col-1, k);
    }
    
      
  }
  //Count number of diamond element
  public int element_size(int col)
  {
    int counter=0;

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

  }
  public void rotate(int [][]matrix)
  {
    if(this.rows != this.cols || this.cols % 2 == 0)
    {
      System.out.print("\nNot a valid perfect Odd square matrix");
      return;
    }
    int size=element_size((this.cols)/2)+1;

    rotate_element(matrix, 0, 0, this.rows-1, this.cols-1, size);


  }

  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");
    }

  }

  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.rotate(matrix);
    obj.diamond_view(matrix);

  }
}

Output

        3
     -7  8  2
  2  12  13  15  16
     2  19  20
        24
        -7
     2  12  3
  2  19  13  8  2
     24  15  16
        20
/*
  C# Program
  Rotate middle diamond element in matrix by clockwise
*/
using System;
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);
	}
	//Rotate diamond element in square matrix clockwise
	public void rotate_element(int[,] matrix, int s_row, int s_col, int e_row, int e_col, int k) {
		//Calculate middle column in matrix
		int mid_col = s_col + ((e_col - s_col) / 2);
		//Calculate middle row in matrix
		int mid_row = mid_col;
		int back = matrix[s_row,mid_col], current = 0;
		for (int i = mid_col + 1, j = 1; i < e_col && k > 0; ++i, k--, j++) {
			current = matrix[s_row + j,i];
			matrix[s_row + j,i] = back;
			back = current;
		}
		for (int i = e_col, j = 0; i >= mid_col && k > 0; --i, k--, j++) {
			current = matrix[(mid_row) + j,i];
			matrix[(mid_row) + j,i] = back;
			back = current;
		}
		for (int i = mid_col - 1, j = 1; i >= s_col && k > 0; --i, k--, j++) {
			current = matrix[(e_col) - j,i];
			matrix[(e_col) - j,i] = back;
			back = current;
		}
		for (int i = s_col + 1, j = 1; i <= mid_col && k > 0; ++i, k--, j++) {
			current = matrix[(mid_row) - j,i];
			matrix[(mid_row) - j,i] = back;
			back = current;
		}
		if (s_row + 1 <= e_row - 1 && k > 0) {
			rotate_element(matrix, s_row + 1, s_col + 1, e_row - 1, e_col - 1, k);
		}
	}
	//Count number of diamond element
	public int element_size(int col) {
		int counter = 0;
		while (col > 0) {
			counter += col;
			col--;
		}
		return counter * 4;
	}
	public void rotate(int[,] matrix) {
		if (this.rows != this.cols || this.cols % 2 == 0) {
			Console.Write("\nNot a valid perfect Odd square matrix");
			return;
		}
		int size = element_size((this.cols) / 2) + 1;
		rotate_element(matrix, 0, 0, this.rows - 1, this.cols - 1, size);
	}
	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");
		}
	}
	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.rotate(matrix);
		obj.diamond_view(matrix);
	}
}

Output

        3
     -7  8  2
  2  12  13  15  16
     2  19  20
        24
        -7
     2  12  3
  2  19  13  8  2
     24  15  16
        20
<?php
/*
  Php Program
  Rotate middle diamond element in matrix by clockwise
*/
class MyMatrix {
	public $rows;
	public $cols;

	function __construct($matrix) {
		//Get the size of matrix
		$this->rows = count($matrix);
		$this->cols = count($matrix[0]);
	}
	//Rotate diamond element in square matrix clockwise
	public 	function rotate_element(&$matrix, $s_row, $s_col, $e_row, $e_col, $k) {
		//Calculate middle column in matrix
		$mid_col = $s_col + (intval(($e_col - $s_col) / 2));
		//Calculate middle row in matrix
		$mid_row = $mid_col;
		$back = $matrix[$s_row][$mid_col];
		$current = 0;
		for ($i = $mid_col + 1, $j = 1; $i < $e_col && $k > 0; ++$i, $k--, $j++) {
			$current = $matrix[$s_row + $j][$i];
			$matrix[$s_row + $j][$i] = $back;
			$back = $current;
		}
		for ($i = $e_col, $j = 0; $i >= $mid_col && $k > 0; --$i, $k--, $j++) {
			$current = $matrix[($mid_row) + $j][$i];
			$matrix[($mid_row) + $j][$i] = $back;
			$back = $current;
		}
		for ($i = $mid_col - 1, $j = 1; $i >= $s_col && $k > 0; --$i, $k--, $j++) {
			$current = $matrix[($e_col) - $j][$i];
			$matrix[($e_col) - $j][$i] = $back;
			$back = $current;
		}
		for ($i = $s_col + 1, $j = 1; $i <= $mid_col && $k > 0; ++$i, $k--, $j++) {
			$current = $matrix[($mid_row) - $j][$i];
			$matrix[($mid_row) - $j][$i] = $back;
			$back = $current;
		}
		if ($s_row + 1 <= $e_row - 1 && $k > 0) {
			//Recursive call
			$this->rotate_element($matrix, $s_row + 1, $s_col + 1, $e_row - 1, $e_col - 1, $k);
		}
	}
	//Count number of diamond element

	public 	function element_size($col) {
		$counter = 0;
		while ($col > 0) {
			$counter += $col;
			$col--;
		}
		return $counter *4;
	}
	public 	function rotate(&$matrix) {
		if ($this->rows != $this->cols || $this->cols % 2 == 0) {
			echo("\nNot a valid perfect Odd square matrix");
			return;
		}
		$size = $this->element_size(intval(($this->cols) / 2)) + 1;
		$this->rotate_element($matrix, 0, 0, $this->rows - 1, $this->cols - 1, $size);
	}
	public 	function show($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");
		}
	}
}

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);
	$obj->rotate($matrix);
	$obj->diamond_view($matrix);

}
main();

Output

        3
     -7  8  2
  2  12  13  15  16
     2  19  20
        24
        -7
     2  12  3
  2  19  13  8  2
     24  15  16
        20
/*
  Node Js Program
  Rotate middle diamond element in matrix by clockwise
*/
class MyMatrix {
	;;
	constructor(matrix) {
		//Get the size of matrix
		this.rows = matrix.length;
		this.cols = matrix[0].length;
	}

	//Rotate diamond element in square matrix clockwise
	rotate_element(matrix, s_row, s_col, e_row, e_col, k) {
		//Calculate middle column in matrix
		var mid_col = s_col + (parseInt((e_col - s_col) / 2));
		//Calculate middle row in matrix
		var mid_row = mid_col;
		var back = matrix[s_row][mid_col];
		var current = 0;
		for (var i = mid_col + 1, j = 1; i < e_col && k > 0; ++i, k--, j++) {
			current = matrix[s_row + j][i];
			matrix[s_row + j][i] = back;
			back = current;
		}

		for (var i = e_col,j = 0; i >= mid_col && k > 0; --i, k--, j++) {
			current = matrix[(mid_row) + j][i];
			matrix[(mid_row) + j][i] = back;
			back = current;
		}

		for (var i = mid_col - 1, j = 1; i >= s_col && k > 0; --i, k--, j++) {
			current = matrix[(e_col) - j][i];
			matrix[(e_col) - j][i] = back;
			back = current;
		}

		for (var i = s_col + 1, j = 1; i <= mid_col && k > 0; ++i, k--, j++) {
			current = matrix[(mid_row) - j][i];
			matrix[(mid_row) - j][i] = back;
			back = current;
		}

		if (s_row + 1 <= e_row - 1 && k > 0) {
			//Recursive call
			this.rotate_element(matrix, s_row + 1, s_col + 1, e_row - 1, e_col - 1, k);
		}
	}

	//Count number of diamond element
	element_size(col) {
		var counter = 0;
		while (col > 0) {
			counter += col;
			col--;
		}

		return counter *4;
	}
	rotate(matrix) {
		if (this.rows != this.cols || this.cols % 2 == 0) {
			process.stdout.write("\nNot a valid perfect Odd square matrix");
			return;
		}
		var size = this.element_size(parseInt((this.cols) / 2)) + 1;
		this.rotate_element(matrix, 0, 0, this.rows - 1, this.cols - 1, size);
	}
	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");
		}
	}
}

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.rotate(matrix);
	obj.diamond_view(matrix);
}

main();

Output

        3
     -7  8  2
  2  12  13  15  16
     2  19  20
        24
        -7
     2  12  3
  2  19  13  8  2
     24  15  16
        20
#  Python 3 Program
#  Rotate middle diamond element in matrix by clockwise
class MyMatrix :
	
	def __init__(self, matrix) :
		# Get the size of matrix
		self.rows = len(matrix)
		self.cols = len(matrix[0])
	
	# Rotate diamond element in square matrix clockwise
	def rotate_element(self, matrix, s_row, s_col, e_row, e_col, k) :
		mid_col = s_col + (int((e_col - s_col) / 2))
		mid_row = mid_col
		back = matrix[s_row][mid_col]
		current = 0
		i = mid_col + 1
		j = 1
		while (i < e_col and k > 0) :
			current = matrix[s_row + j][i]
			matrix[s_row + j][i] = back
			back = current
			i += 1
			k -= 1
			j += 1
		
		i = e_col
		j = 0
		while (i >= mid_col and k > 0) :
			current = matrix[(mid_row) + j][i]
			matrix[(mid_row) + j][i] = back
			back = current
			i -= 1
			k -= 1
			j += 1
		
		i = mid_col - 1
		j = 1
		while (i >= s_col and k > 0) :
			current = matrix[(e_col) - j][i]
			matrix[(e_col) - j][i] = back
			back = current
			i -= 1
			k -= 1
			j += 1
		
		i = s_col + 1
		j = 1
		while (i <= mid_col and k > 0) :
			current = matrix[(mid_row) - j][i]
			matrix[(mid_row) - j][i] = back
			back = current
			i += 1
			k -= 1
			j += 1
		
		if (s_row + 1 <= e_row - 1 and k > 0) :
			self.rotate_element(matrix, s_row + 1, s_col + 1, e_row - 1, e_col - 1, k)
		
	
	# Count number of diamond element
	def element_size(self, col) :
		counter = 0
		while (col > 0) :
			counter += col
			col -= 1
		
		return counter * 4
	
	def rotate(self, matrix) :
		if (self.rows != self.cols or self.cols % 2 == 0) :
			print("\nNot a valid perfect Odd square matrix", end = "")
			return
		
		size = self.element_size(int((self.cols) / 2)) + 1
		self.rotate_element(matrix, 0, 0, self.rows - 1, self.cols - 1, size)
	
	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
		
	

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.rotate(matrix)
	obj.diamond_view(matrix)


if __name__ == "__main__":
	main()

Output

       3
    -7  8  2
 2  12  13  15  16
    2  19  20
       24
       -7
    2  12  3
 2  19  13  8  2
    24  15  16
       20
# Ruby Program
# Rotate middle diamond element in matrix by clockwise
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
	# Rotate diamond element in square matrix clockwise
	def rotate_element(matrix, s_row, s_col, e_row, e_col, k) 
		mid_col = s_col + ((e_col - s_col) / 2)
		mid_row = mid_col
		back = matrix[s_row][mid_col]
		current = 0
		i = mid_col + 1
		j = 1
		while (i < e_col && k > 0) 
			current = matrix[s_row + j][i]
			matrix[s_row + j][i] = back
			back = current
			i += 1
			k -= 1
			j += 1
		end
		i = e_col
		j = 0
		while (i >= mid_col && k > 0) 
			current = matrix[(mid_row) + j][i]
			matrix[(mid_row) + j][i] = back
			back = current
			i -= 1
			k -= 1
			j += 1
		end
		i = mid_col - 1
		j = 1
		while (i >= s_col && k > 0) 
			current = matrix[(e_col) - j][i]
			matrix[(e_col) - j][i] = back
			back = current
			i -= 1
			k -= 1
			j += 1
		end
		i = s_col + 1
		j = 1
		while (i <= mid_col && k > 0) 
			current = matrix[(mid_row) - j][i]
			matrix[(mid_row) - j][i] = back
			back = current
			i += 1
			k -= 1
			j += 1
		end
		if (s_row + 1 <= e_row - 1 && k > 0) 
			self.rotate_element(matrix, s_row + 1, s_col + 1, e_row - 1, e_col - 1, k)
		end
	end
	# Count number of diamond element
	def element_size(col) 
		counter = 0
		while (col > 0) 
			counter += col
			col -= 1
		end
		return counter * 4
	end
	def rotate(matrix) 
		if (self.rows != self.cols || self.cols % 2 == 0) 
			print("\nNot a valid perfect Odd square matrix")
			return
		end
		size = self.element_size((self.cols) / 2) + 1
		self.rotate_element(matrix, 0, 0, self.rows - 1, self.cols - 1, size)
	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
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.rotate(matrix)
	obj.diamond_view(matrix)
end


main()

Output

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

/*
  Scala Program
  Rotate middle diamond element in matrix by clockwise
*/
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);
	}
	//Rotate diamond element in square matrix clockwise
	def rotate_element(matrix: Array[Array[Int]], s_row: Int, s_col: Int, e_row: Int, e_col: Int, k_size: Int): Unit = {
      	var k: Int = k_size;
		val mid_col: Int = s_col + (((e_col - s_col) / 2).toInt);
		val mid_row: Int = mid_col;
		var back: Int = matrix(s_row)(mid_col);
		var current: Int = 0;
		var i: Int = mid_col + 1;
		var j: Int = 1;
		while (i < e_col && k > 0) {
			current = matrix(s_row + j)(i);
			matrix(s_row + j)(i) = back;
			back = current;
			i += 1;
			k -= 1;
			j += 1;
		}
		i = e_col;
		j = 0;
		while (i >= mid_col && k > 0) {
			current = matrix((mid_row) + j)(i);
			matrix((mid_row) + j)(i) = back;
			back = current;
			i -= 1;
			k -= 1;
			j += 1;
		}
		i = mid_col - 1;
		j = 1;
		while (i >= s_col && k > 0) {
			current = matrix((e_col) - j)(i);
			matrix((e_col) - j)(i) = back;
			back = current;
			i -= 1;
			k -= 1;
			j += 1;
		}
		i = s_col + 1;
		j = 1;
		while (i <= mid_col && k > 0) {
			current = matrix((mid_row) - j)(i);
			matrix((mid_row) - j)(i) = back;
			back = current;
			i += 1;
			k -= 1;
			j += 1;
		}
		if (s_row + 1 <= e_row - 1 && k > 0) {
			this.rotate_element(matrix, s_row + 1, s_col + 1, e_row - 1, e_col - 1, k);
		}
	}
	//Count number of diamond element
	def element_size(col: Int): Int = {
		var counter: Int = 0;
      	var i : Int = col;
		while (i > 0) {
			counter += col;
			i -= 1;
		}
		return counter * 4;
	}
	def rotate(matrix: Array[Array[Int]]): Unit = {
		if (this.rows != this.cols || this.cols % 2 == 0) {
			print("\nNot a valid perfect Odd square matrix");

			return;
		}
		val size: Int = this.element_size(((this.cols) / 2).toInt) + 1;
		this.rotate_element(matrix, 0, 0, this.rows - 1, this.cols - 1, size);
	}
	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;
		}
	}
}
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.rotate(matrix);
		obj.diamond_view(matrix);
	}
}

Output

        3
     -7  8  2
  2  12  13  15  16
     2  19  20
        24
        -7
     2  12  3
  2  19  13  8  2
     24  15  16
        20
/*
  Swift Program
  Rotate middle diamond element in matrix by clockwise
*/
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;
	}
	//Rotate diamond element in square matrix clockwise
	func rotate_element(_ matrix: inout [
		[Int]
	], _ s_row: Int, _ s_col: Int, _ e_row: Int, _ e_col: Int, _ k_size: Int) {
      	var k : Int = k_size;
		let mid_col: Int = s_col + ((e_col - s_col) / 2);
		let mid_row: Int = mid_col;
		var back: Int = matrix[s_row][mid_col];
		var current: Int = 0;
		var i: Int = mid_col + 1;
		var j: Int = 1;
		while (i < e_col && k > 0) {
			current = matrix[s_row + j][i];
			matrix[s_row + j][i] = back;
			back = current;
			i += 1;
			k -= 1;
			j += 1;
		}
		i = e_col;
		j = 0;
		while (i >= mid_col && k > 0) {
			current = matrix[(mid_row) + j][i];
			matrix[(mid_row) + j][i] = back;
			back = current;
			i -= 1;
			k -= 1;
			j += 1;
		}
		i = mid_col - 1;
		j = 1;
		while (i >= s_col && k > 0) {
			current = matrix[(e_col) - j][i];
			matrix[(e_col) - j][i] = back;
			back = current;
			i -= 1;
			k -= 1;
			j += 1;
		}
		i = s_col + 1;
		j = 1;
		while (i <= mid_col && k > 0) {
			current = matrix[(mid_row) - j][i];
			matrix[(mid_row) - j][i] = back;
			back = current;
			i += 1;
			k -= 1;
			j += 1;
		}
		if (s_row + 1 <= e_row - 1 && k > 0) {
			self.rotate_element(&matrix, s_row + 1, s_col + 1, e_row - 1, e_col - 1, k);
		}
	}
	//Count number of diamond element
	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 rotate(_ matrix: inout [
		[Int]
	]) {
		if (self.rows != self.cols || self.cols % 2 == 0) {
			print("\nNot a valid perfect Odd square matrix", terminator: "");
			return;
		}
		let size: Int = self.element_size((self.cols) / 2) + 1;
		self.rotate_element(&matrix, 0, 0, self.rows - 1, self.cols - 1, size);
	}
	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;
		}
	}
}
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.rotate(&matrix);
	obj.diamond_view(matrix);
}
main();

Output

       3
    -7  8  2
 2  12  13  15  16
    2  19  20
       24
       -7
    2  12  3
 2  19  13  8  2
    24  15  16
       20
Last updated on by Kalkicode




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