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#include <stdio.h>
#define ROWS 3
#define COLS 3
/* Function declaration to input and print two dimensional array */
void inputMatrix(int matrix[][COLS], int rows, int cols);
void printMatrix(int matrix[][COLS], int rows, int cols);
int main()
{
int matrix[ROWS][COLS];
int i, j;
/* Input elements in matrix */
printf("Enter elements in %dx%d matrix.\n", ROWS, COLS);
inputMatrix(matrix, ROWS, COLS);
/* Print elements in matrix */
printf("Elements of %dx%d matrix.\n", ROWS, COLS);
printMatrix(matrix, ROWS, COLS);
return 0;
}
/**
* Function to take input in two dimensional array (matrix)
* from user.
*
* @matrix 2D array to store input.
* @rows Total rows in 2D matrix.
* @cols Total columns in 2D matrix.
*/
void inputMatrix(int matrix[][COLS], int rows, int cols)
{
int i, j;
for(i = 0; i < rows; i++)
{
for(j = 0; j < cols; j++)
{
// (*(matrix + i) + j is equivalent to &matrix[i][j]
scanf("%d", (*(matrix + i) + j));
}
}
}
/**
* Function to display elements of two dimensional array (matrix)
* on console.
*
* @matrix 2D array to display as output.
* @rows Total rows in 2D matrix.
* @cols Total columns in 2D matrix.
*/
void printMatrix(int (*matrix)[COLS], int rows, int cols)
{
int i, j;
for (i = 0; i < rows; i++)
{
for (j = 0; j < cols; j++)
{
// *(*(matrix + i) + j) is equivalent to matrix[i][j]
printf("%d ", *(*(matrix + i) + j));
}
printf("\n");
}
}
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