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C++实现井字棋游戏

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C++实现井字棋游戏

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#include<iostream>
#include<cstdlib>
#include<cstdio>
using namespace std;

class TicTacToe
{
private:
	char currentPlayer;
	char board[3][3];
public:
	TicTacToe();
	void print();
	char getCurrentPlayer();
	char getWinner();
	bool isDone();
	bool isValidMove(int row,int col);
	void makeMove(int row,int col);
	void makeAutoMove();
};

TicTacToe::TicTacToe(){
	currentPlayer = 'X';
	for(int i=0;i<3;i++){
		for(int j=0;j<3;j++){
			board[i][j] = '-';
		}
	}
}

void TicTacToe::print(){
	cout<<"   1  2  3"<<endl;cout<<endl;
	for(int i=0;i<3;i++){
		cout<<i+1<<"  ";
		for(int j=0;j<3;j++){
			cout<<board[i][j]<<"  ";
		}
		cout<<endl;cout<<endl;
	}
}

char TicTacToe::getCurrentPlayer(){
	return currentPlayer;
}

char TicTacToe::getWinner(){
	//返回赢家信息(’X’ 或 ’O’),如果没有赢家,返回 ’-’
	for(int i=0;i<3;i++){
		//三棋子横成一排
		if(board[i][0] != '-' && board[i][0] == board[i][1] && board[i][1] == board[i][2])
			return board[i][0];
		//三棋子竖成一排
		if(board[0][i] != '-' && board[0][i] == board[1][i] && board[1][i] == board[2][i])
			return board[0][i];
	}
	//三棋子斜成一排
	if((board[1][1] != '-') && (
		(board[0][0] == board[1][1] && board[1][1] == board[2][2])||
		(board[0][2] == board[1][1] && board[1][1] == board[2][0]) )
		){
		return board[1][1];
	}else{
		return '-';
	}
}

bool TicTacToe::isDone(){
	if(getWinner() != '-'){
		return true;
	}else{
		return false;
	}
}



bool TicTacToe::isValidMove(int row,int col){
	//检查行列值是否在 1-3 之间,如果该位置可用,返回ture,否则返回 false
	if( row>=1 && row<=3 && col>=1 && col <=3 ){
		return true;
	}else{
		return false;
	}
}

void TicTacToe::makeMove(int row,int col){
	//将指定位置设置为玩家的符号,切换玩家
	if(isValidMove(row,col)){
		if( board[row-1][col-1] == '-' ){
			board[row-1][col-1] = currentPlayer;
			if(currentPlayer == 'X'){
				currentPlayer = 'O';
			}else{
				currentPlayer = 'X';
			}
		}else{
			cout<<"该位置已被占用!"<<endl;
		}
	}else{
		cout<<"输入的位置无效"<<endl;
	}
}

void TicTacToe::makeAutoMove(){
	srand(int(time(0)));
	label:
	int row = rand()%3+1;
	int col = rand()%3+1;
	if( board[row-1][col-1] == '-' ){
		board[row-1][col-1] = currentPlayer;
		if(currentPlayer == 'X'){
			currentPlayer = 'O';
		}else{
			currentPlayer = 'X';
		}
		
	}else{
		goto label;
	}
	row = rand()%3+1;
	col = rand()%3+1;
}

void testTicTacToe(){
	cout<<"您是否想开始游戏?(y/n)"<<endl;
	char conti;
	int mode;
	cin>>conti;
	TicTacToe tic;
	while(conti == 'y'){
		cout<<"请选择单人模式或者双人模式?(1/2)"<<endl;
		cin>>mode;
		if(mode == 1 || mode == 2){
			if(mode == 1){
				tic.print();
				int row,col;
				bool flag = true; //表征当前玩家为用户或计算机
				while(!tic.isDone()){
					if(flag){ //当前玩家为用户
						cout<<"当前玩家为:"<<tic.getCurrentPlayer()<<endl;
						cout<<"请按坐标输入您的走步:";
						cin>>row>>col;
						if(tic.getCurrentPlayer() == 'X'){
							tic.makeMove(row,col);
						}else{
							tic.makeAutoMove();
						}
						flag = false;
					}else{ //当前玩家为计算机
						cout<<"当前玩家为:"<<tic.getCurrentPlayer()<<endl;
						tic.makeAutoMove();
						flag = true;
					}
					tic.print();
				}
			}else{ //mode == 2
				tic.print();
				int row,col;
				while(!tic.isDone()){
					cout<<"当前玩家为:"<<tic.getCurrentPlayer()<<endl;
					cout<<"请按坐标输入您的走步:";
					cin>>row>>col;
					tic.makeMove(row,col);
					tic.print();
				}
			}
			cout<<"本局结束,胜者为:"<<tic.getWinner()<<endl;
		}else{
			cout<<"请输入正确的模式代码"<<endl;
		}
		cout<<"您是否想继续游戏?(y/n)"<<endl;
		cin>>conti;
	}
}

int main(){
	testTicTacToe();
	return 0;
}
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