#include <iostream>
#include <ctime>
#include <string>
#include <algorithm>
using namespace std;
#include <io.h>
#include <windows.h>

int MazeRows=0;
int MazeCols=0;
char DispWall = char(219);
char Wall='1';
char Free = '0';
char Robot = '*';


float GenRnd(float lowest=0., float highest=1.)
{
    float random_float;
    float range=(highest-lowest);//+1;
    random_float = lowest+float(range*rand()/(RAND_MAX + 0.0));
    return random_float;
}

void help(const char *sProgName)
{
 cerr << "Usage:\n " << _strupr((char *)sProgName) << " -r<NumRows> --c<NumCols> -t<thereshold Level(0.8)> -w<WallChar ASCII Code>\n";
}

int main(int argc, char * argv[])
{
float th = 0.8;
 for (int i =1; i < argc; i++)
 {
  if (('-' == argv[i][0]) || ('/' == argv[i][0]))
  { 
   char cp;
   cp = argv[i][1];
   switch(cp)
   {
    case 'r':
     MazeRows = atoi(&argv[i][2]);
     break;
    case 'c':
     MazeCols = atoi(&argv[i][2]);
     break;
    case 't':
     th = atof(&argv[i][2]);
     break;
    case 'w':
     DispWall=char(argv[i][2]);
     break;
   case '?':
   case 'h':
    {help(argv[0]);return 1;}
   default:
    {help(argv[0]);return -1;}
   }
  }
  else
    {help(argv[0]);return -1;}
 }

srand((unsigned)time(0));
char ch;
for (int r=0; r <MazeRows; r++)
{
      for(int c=0; c < MazeCols; c++)
      {
	ch = (GenRnd() > th? Wall: Free);
        if(!isatty(fileno(stdout)))
         {cerr << (ch==Wall?DispWall:' ');}
         cout << ch;
      }
        if(!isatty(fileno(stdout)))
         cerr << endl;
   cout << endl;
}

    return 0;
}