wuziqi.cpp

c++五子棋

/*第2题	五子棋游戏--源代码及关键源代码注解如下：*/
#include <iostream.h>
#include <stdlib.h>

void PrintBoard();              // 建立函数，输出棋盘
void PrintInfo();               // 输出游戏提示信息
void PrintStats(int, int, int);      // 输出统计出的胜负局数信息
void IfError(int&, int&); // 判断输入是否有误，输出判断结果并要求重新输入
void ChoiceOfChar(char&);      // 询问玩家是否再玩一盘
void PromptTurnO(int&, int&);   // 第一位玩家下棋
void PromptTurnX(int&, int&);   // 第二位玩家下棋
int Winer(char);

char board[9][9];               // 定义棋盘
int main()
{
 int ROW;         
 int COLUMN;      // 定义棋盘的行列元素
 int FirstPlayer;      //第一位玩家赢棋局数
 int SecondPlayer;    //第二位玩家赢棋局数
 int Draws;         //平局数
 FirstPlayer = 0;
 SecondPlayer = 0;
 Draws = 0;
 char choice;
 choice = 'Y';       // 初始值设为"Y"，使程序可以继续循环下去
 PrintInfo();
 while(choice == 'Y'||'y')                             // 判断循环条件
 {                                     	
  for (ROW = 0; ROW <9; ROW++)       		//棋盘初始化
  for (COLUMN = 0; COLUMN <9; COLUMN++)  	
  board[ROW][COLUMN]= ' ';                   	
  int x;            							
  int y;
  int flag;
  int SpotsOnBoard; 							// 棋盘上玩家已布棋子数
  SpotsOnBoard = 0;
  while ( SpotsOnBoard <=81) 				// 当已布棋子小于81，继续
  {
   if (SpotsOnBoard == 0)
   PrintBoard();  						// This function draws initialy the blank game board
                 					// so it is easier for the user to pick the x and y values
//执"O"的玩家下棋
   PromptTurnO(x, y);

   IfError(x, y);              // 玩家输入坐标错误，报错，提示重新输入

   board[x - 1][y - 1]= 'O';         		
   SpotsOnBoard++;             			
   	system("cls");    //屏幕初始化                          				
   PrintBoard();    
              							
    flag=Winer('O');
    if(flag==1)
	{
		 flag=0;
         FirstPlayer++;
		 goto A1;
	}
    if (SpotsOnBoard == 81)  
	{
	     cout << "平局！" <<endl;
         Draws++;	
	}
    PromptTurnX(x, y);
    IfError(x, y);
    board[x - 1][y - 1]= 'X';
    SpotsOnBoard++;
	system("cls");
    PrintBoard();
    flag=Winer('X');
     if(flag==1)
	 {
		flag=0;
        SecondPlayer++;
		goto A1;
	 }
  }
A1:    ChoiceOfChar(choice);
  }

  PrintStats(FirstPlayer, SecondPlayer, Draws);
  system("PAUSE");
  return 0;
}

// Post : The Game board is printed to help with choosing the coordintates
//        Either X or O will be printed on the board.
//        Board is updated while the game progresses
void PrintBoard()
{
    cout << endl;
    for(int k=1;k<10;k++)
	{
	   cout<<"   "<<k;
	}
	cout<<endl;
    for(int x=0;x<9;x++)
	{  cout << (x+1) <<"  ";
	   for(int y=0;y<9;y++)
	   {
		 cout<< board[x][y] << " | " ;
	   }
	   cout << endl;
	   cout << "  ---|---|---|---|---|---|---|---|---" << endl;
   }
}

// Post : Some info about the rules of the game is printed
void PrintInfo()
{
 cout << "第一位玩家执 O ,第二位玩家执 X 。" << endl;
 cout << "输入棋子坐标的行列数以布棋" << endl;
 cout << "按回车以确定输入" << endl;
 }

// Pre : Players have to decide to exit the game.
// Post : Returns the number of won games and draws.
void PrintStats(int FirstPlayer, int SecondPlayer, int Draws)
{
 cout << "执 O 的玩家共赢 " << FirstPlayer << " 局" << endl;
 cout << "执 X 的玩家共赢 " << SecondPlayer << " 局" << endl;
 cout << "平局 " << Draws << " 局" << endl;
 cout<<endl;
 cout<<endl;
 cout << "再   见" << endl;
}

// Pre : User entered invalid data, program doesn't kow where to put them
// Post : Error message is printed, user is prompted to enter the right input
void IfError(int& x, int& y)
{
 while (x > 9 || x < 1 || y > 9 || y < 1 ||('O'== board[x - 1][y - 1]
      ||'X'== board[x - 1][y - 1]))
    {
     cout << "坐标输入错误，请重新输入" << endl;
     cout << "行: ";
     cin  >> x;
     cout << "列: ";
     cin  >> y;
    }
}

// Pre : Entire program has been executed
// Post : User is given a chance to play again
  void ChoiceOfChar(char& choice)
   {
	   cout << endl;
       cout << " 继续游戏，请输入 Y ." << endl;
       cout << " 否则, 输入其他任意键退出游戏." << endl;
       cin  >> choice;
   }

// Post : First player enters the coordinates of a spot on a game board
   void PromptTurnO(int& x, int& y)
   {
       cout << "执 O 的玩家，请输入棋子坐标的行列数" << endl;
       cout << "行: ";
       cin  >> x;
       cout << "列: ";
       cin  >> y;
   }

// Post : Second player enters the coordinates of a spot on a game board
  void PromptTurnX(int& x, int& y)
  {
      cout << "执 X 的玩家，请输入棋子坐标的行列数"<< endl;
      cout << "行: ";
      cin  >> x;
      cout << "列: ";
      cin  >> y;
  }
  

 int Winer(char tmp)
 {
	 int i,j;
//设定水平方向的获胜组合