craps.cpp

来自「C++&datastructure书籍源码,以前外教提供现在与大家共享」· C++ 代码 · 共 59 行

#include <iostream>
using namespace std;
#include "dice.h"

// simulate one games of craps (rules from W. Weaver, Lady Luck, 1982
// Doubleday Press --- as given in Charles Whitney, Random Process in
// Physical Systems, 1990, Wiley Interscience)
//
// written 5/17/94, modified 6/21/95, modified 4/19/99

// prototypes

int RollTwo();

int main()
{
    int sum;
    int point = RollTwo();                     // initial point
    
    switch (point)
    {
      case 7:
      case 11:
        cout << "natural winner!!" << endl;
        break;
      case 2:
      case 3:
      case 12:
        cout << "craps!! a loser" << endl;
        break;
      default:
        while (true)
        {
            sum = RollTwo();
            if (sum == point)
            {   cout << "got your point! a winner" << endl;
                break;
            }
            if (sum == 7)
            {   cout << "loser, lost going for " << point << endl;
                break;
            }
        }
    }    
    return 0;
}

int RollTwo()
//postcondition: returns sum of rolling two dice
//               prints values rolled     
{
    Dice d(6);

    int first = d.Roll();
    int second = d.Roll();
    cout << "rolling ... " << first << " " << second << endl;
    return first + second;
}