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

void make_tab_in_file(double **tab, int n, int m) {
    FILE *data=fopen("dane.txt","w");
        for(int i=0; i<n; i++){
            for(int j=0; j<m; j++){
                fprintf(data,"%lf\t", tab[i][j]);
            }
        }
    fclose(data);
}
/*
double matoper() {

}

double **CzytajDajTab2w(char *file_name, int *n, int *m){
    FILE
}

double DelTab2w() {

}
*/
int main() {

    double **tab = {
                    {1, 0, 4, 2, 0},
                    {2, 3, 9, 1, 3},
                    {1, 2, -3, 4, 4},
                    {2, 8, 4, 5, 2},
                    {0, 5, 6, 3, 9}
                    };
    int n = 5;
    int m = 5;
    make_tab_in_file(&tab, n, m);
    //CzytajDajTab2w(file_name, n, m);

    return 0;
}