Find submatrix

submatrix.c

#include <stdio.h>
#include <stdlib.h>

//Malloc a matrix
int **malloc_matrix(size_t rows, size_t cols)
{
  int **data_pointer = (int **)malloc(sizeof(int *) * rows);
  for (int i = 0; i < rows; i++)
  {
    data_pointer[i] = malloc(sizeof(int) * cols);
  }
  return data_pointer;
}

//Free matrix
void free_matrix(int **data_pointer, size_t rows){
  for (int i = 0; i < rows; i++)
  {
    free(data_pointer[i]);
  }
  free(data_pointer);
}

int main()
{
  int **matrix;
  int **submatrix;
  int rows, cols, remove_row, remove_col;
  printf("Input rows: ");
  scanf("%d", &rows);
  printf("Input column: ");
  scanf("%d", &cols);
  if (rows < 1 || cols < 1)
  {
    printf("Could not create a matrix like that.\n");
    return 1;
  }
  matrix = malloc_matrix(rows, cols);
  for (int i = 0; i < rows; i++)
  {
    for (int j = 0; j < cols; j++)
    {
      matrix[i][j] = rand() % 255;
      printf("%8d", matrix[i][j]);
    }
    printf("\n");
  }
  printf("Input removing row: ");
  scanf("%d", &remove_row);
  printf("Input removing column: ");
  scanf("%d", &remove_col);
  if ((remove_row > rows || remove_row < 1) || (remove_col > cols || remove_col < 1))
  {
    printf("Could not remove these row and colum.");
    return 2;
  }
  //Decrease row & col to get index
  remove_row--;
  remove_col--;
  submatrix = malloc_matrix(rows - 1, cols - 1);
  for (int i = 0, k = 0; i < rows; i++)
  {
    for (int j = 0, l = 0; j < cols; j++)
    {
      if (i != remove_row && j != remove_col)
      {
        submatrix[k][l] = matrix[i][j];
      }
      if (j != remove_col)
      {
        l++;
      }
    }
    if (i != remove_row)
    {
      k++;
    }
  }

  for (int i = 0; i < rows - 1; i++)
  {
    for (int j = 0; j < cols - 1; j++)
    {
      printf("%8d", submatrix[i][j]);
    }
    printf("\n");
  }
  free_matrix(matrix, rows);
  free_matrix(submatrix, rows -1);
}