genWalls.cpp

#include "stdinc.h"

int main(int argc, char* argv[]) {
                int n, seed; double pLeft, pTop, pBoth;
                if (argc != 6 ||
                    sscanf(argv[1],"%d",&n) != 1 ||
                    sscanf(argv[2],"%lf",&pLeft) != 1 ||
                    sscanf(argv[3],"%lf",&pTop) != 1 ||
                    sscanf(argv[4],"%lf",&pBoth) != 1 ||
                    sscanf(argv[5],"%d",&seed) != 1)
                                fatal("usage: genWalls n pLeft pTop pBoth seed");

                srand(seed);
                for (int i = 0; i < n; i++) {
                                for (int j = 0; j < n; j++) {
                                                double p = randfrac();
                                                char c;
                                                if (p < pLeft)                                  c = '|';
                                                else if (p < pLeft+pTop)        c = '-';
                                                else if (p < pLeft+pTop+pBoth)  c = '+';
                                                else                                                            c = ' ';
                                                cout << c;
                                }
                                cout << endl;
                }
}