/* fichero norma.c */
#include <stdio.h>
#include <math.h>
void main(void)         /* funcion o programa principal */
{
    int i, j, m, n;
    double **a;
    double **ma_alloc(int m, int n);
    double norma_inf(int m, int n, double **a);
    scanf("%d%d", &m, &n);
    a = ma_alloc(m, n);
    for(i=0; i<m; i++)
        for(j=0; j<n; j++)
            scanf(" %lf", &a[i][j]);
    printf("\nLa norma sub-infinito es: %lf", norma_inf(m, n, a));
}