Rotate middle diamond element in matrix by clockwise

Here given code implementation process.

``````/*
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_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``````

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