/* by Mark A. Sheldon, February 2005 */

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

#define FAILURE -1

int main(int argc, char *argv[]) 
{
        double **matrix;
        int    rows, cols,
                i, j;

        if (scanf("%d %d", &rows, &cols) != 2) {
                fprintf(stderr,
                        "Unable to read matrix size from start of file\n");
                exit(FAILURE);
        }
  
        matrix = (double **) calloc(rows, sizeof(double *));
        if (matrix == NULL) {
                fprintf(stderr, "Unable to alloc spine\n");
                exit(FAILURE);
        }

        for (i = 0; i < rows; ++i)
                if ((matrix[i] = calloc(cols, sizeof(double))) == NULL) {
                        fprintf(stderr, "Unable to malloc row\n");
                        exit(FAILURE);
                }

        for (i = 0; i < rows; ++i) {
                for (j = 0; j < cols; ++j) {
                        matrix[i][j]= (double)i + (double)j;
                }
        }

        for (i = 0; i < rows; ++i) {
                for (j=0; j<cols; ++j) {
                        printf("%2.2f  ", matrix[i][j]);
                }
                putchar('\n');
        }

        return 0;
}