I am trying to write a rotate function in C language. ```c/** * Function: rotate_right * Description: "rotates" square matrix m 90 degrees right * (clockwise). * * Example: consider the 3x3 matrix below: * * abc * def * hij * * After one rotation, the matrix contents are: * * hda * ieb * jfc * * Estimated Difficulty: LEVEL-3 */void rotate_right(char **m, int n);```**Explanation:** This C function, `rotate_right`, is designed to rotate a square matrix 90 degrees clockwise. The example provided with the function illustrates how a 3x3 matrix is transformed through this rotation:- The initial matrix: ``` abc def hij ```- After a 90-degree clockwise rotation, the resulting matrix is: ``` hda ieb jfc ```This demonstrates a fundamental operation in matrix manipulation, useful in various computational applications such as image processing and computer graphics. The function’s estimated difficulty level is 3, indicating a moderate level of complexity.

Answered: rotate function in C language

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

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I am trying to write a rotate function in C language.

```c
/**
* Function: rotate_right
* Description: "rotates" square matrix m 90 degrees right
* (clockwise).
*
* Example: consider the 3x3 matrix below:
*
* abc
* def
* hij
*
* After one rotation, the matrix contents are:
*
* hda
* ieb
* jfc
*
* Estimated Difficulty: LEVEL-3
*/
void rotate_right(char **m, int n);
```

**Explanation:**

This C function, `rotate_right`, is designed to rotate a square matrix 90 degrees clockwise. The example provided with the function illustrates how a 3x3 matrix is transformed through this rotation:

- The initial matrix:
```
abc
def
hij
```

- After a 90-degree clockwise rotation, the resulting matrix is:
```
hda
ieb
jfc
```

This demonstrates a fundamental operation in matrix manipulation, useful in various computational applications such as image processing and computer graphics. The function’s estimated difficulty level is 3, indicating a moderate level of complexity.

Expert Solution

Step 1

Program:

#include <stdio.h>
#include <stdlib.h>
// declaration of row and columns in square matrix
const int M = 3;
const int N = 3;
// function to rotate square matrix clock-wise
void rotate_right(char a[M][N])
{
int i,j;
for(i=0;i<3;i++)
{
for(j=2;j>=0;j--)
{
// print the result
printf("%c ",a[j][i]);
}
printf("\n");
}
}
// main function
int main()
{
// square matrix
char a[3][3] = {'a', 'b', 'c','d', 'e', 'f', 'h', 'i', 'j'};
int i,j;
// print the matrix
printf("Original Array\n");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
printf("%c ",a[i][j]);
}
printf("\n");
}
// function call of rotate_right function and print the result
printf("\nRotate Matrix by 90 degrees\n");
rotate_right(a);
return 0;
}