/* Focus on reading data from a file whether the data is 
* is stored in a row.
* Written by Dr. Shirley Moore used with author's consent.
*/
#include <stdio.h>
#define MAXROWS 10
#define MAXCOLS 10



int main ()
{
 int i, j, rows_A, cols_A, rows_B, cols_B;
	double A_Array[MAXROWS][MAXCOLS];
	double B_Array[MAXROWS][MAXCOLS];
	

FILE *fp = fopen("data.txt", "r");
	
	// Read array dimensions
	fscanf(fp, "%d %d", &rows_A, &cols_A);
        
	// Read array elements 
        for (i=0; i<rows_A; i++) {
        	for (j=0; j<cols_A ;j++) {
                	fscanf(fp, "%lg", &A_Array[i][j]);   
                }
        }// reading the array element loop.
	//int nn, mm ;
	fscanf(fp, "%d %d", &rows_B, &cols_B);
	for (i=0; i<rows_B; i++) {
        	for (j=0; j<cols_B; j++) {
                	fscanf(fp, "%lg", &B_Array[i][j]);   
                }
        }// reading the array element loop.


	fclose(fp);

	// Output the array
	for (i=0; i<rows_A; i++) {
		for (j=0; j<cols_B; j++) {
			printf("%13.8lg \t", A_Array[i][j]);
		}//j-loop
		printf("\n");
	}//i-loop

	// Output the array
	for (i=0; i<rows_B; i++) {
		for (j=0; j<cols_B; j++) {
			printf("%13.8lg \t", B_Array[i][j]);
		}//j-loop
		printf("\n");
	}//i-loop

  return 0;
}