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

using namespace std;

void cr2mf()
{
    int m, n, i, j;
    printf("create table of real numbers\n");
    printf("m=");
    scanf("%d",&m);
    printf("n=");
    scanf("%d",&n);
    srand(time(NULL));
    FILE*f;
    f=fopen("dat.txt","w");
    float p;
    for (i=0; i<=m-1; i++ )
    {
        for (j=0; j<=n-1; j++ )
        {
           p=(float) rand()*2000/RAND_MAX -1000;
           fprintf(f,"%11.6f     ",p);
        }
        fprintf(f,"\n");

    }
    fclose(f);
};

int main(int argc, char *argv[])
{ 
    cr2mf();
    system("PAUSE");
    return EXIT_SUCCESS;
}