第二次作业参考代码

参考代码

/**********************************************************/   
  //Function                                :   main,投骰子游戏
  //parm                                    :     
  //comment                                 :      
  //return                                  :   void  
  //Author                                  :      
  //date                                    :   2010.10.20  
/**********************************************************/
#include <iostream.h>
#include <stdlib.h>
#include <time.h>

int rollDice(void);

void main()
{
	enum Status{CONTINUE,WON,LOST};
	int sum,myPoint,num = 1;
	Status gameStatus;

	srand(time(NULL));
	sum = rollDice();   //first roll of the dice

	switch(sum)
	{
		case 7:
		case 11:
			gameStatus = LOST;//win on first roll
			break;
		case 2:
		case 3:
		case 12:
			gameStatus = WON;  //lose on first roll
			break;
		default:
			gameStatus = CONTINUE;
			myPoint = sum;  //remember point
			cout<<"Point is "<<myPoint<<endl;
			break;  //optional
	}

	while(gameStatus == CONTINUE)  //keeping rolling
	{
		num++;
		if(num <= 7)
		{
			sum = rollDice();
			if(sum == myPoint)  //win by making point
				gameStatus = WON;
		}
		else
			gameStatus = LOST;
	}

	if(gameStatus == WON)
		cout<<"Player wins!"<<endl;		
	else
		cout<<"Player Loses!"<<endl;
	return;
}

int rollDice() //get sum of two random numbers between 1 and 7 
{
	int die1,die2,workSum;
	die1 = 1 + rand() % 6;  //first number
	die2 = 1 + rand() % 6;  //second number
	workSum = die1 + die2;  
	cout<<"Player rolled "<<die1<<" + "<<die2<<" = "<<workSum<<endl;
	return workSum;
}