人人对战五子棋 C++

#include
#include
#include
using namespace std;
char chessboard[55][55];
int X,Y,Size;
void Initialize_the_chessboard()  //初始化棋盘
{
	for (int i = 1; i <= Size; i++)
		for (int j = 1; j <= Size; j++)
			chessboard[i][j] = ' ';  //先将所有棋盘初始化为空格
}
void Print_the_chessboard()  //打印棋盘
{
	system("cls");  //打印之前先清屏
	//打印棋盘头部
	printf("%20s", "Five in a row");  //打印题目
	cout << 'n';
	cout << "Player1 (X)  -  Player2 (O)";  //两位玩家
	cout << 'n';
	//打印棋盘主体, 用循环结构完成即可
	cout<<"  ";  //空出列序号的位置
	for(int i=1;i<=Size;i++)
		printf("%4d",i);  //按格式输出
	cout<'9')
			return 2;  //输入的字符中存在违法的字符
	for(int i=0;i'9')
			return 2;  //输入的字符中存在违法的字符
	int x= stoi(s1),y=stoi(s2);
	if(!(x>0&&x<=Size&y>0&&y<=Size))
		return -1;  //输入的数字超出了棋盘的范围
	if(chessboard[x][y]!=' ')
		return 0;
	return 1;
}
void Player(int x)
{
	if(x==1)
		cout << "Player1, enter the location:";
	else
		cout<< "Player2, enter a number:";
	string s1,s2;
	cin >> s1>>s2;  //输入
	int a=judge(s1,s2); //判断输入是否合法
	if(a==2)
	{
		cout << "Your enter is not a number, please try again.n";
		Player(x);
	}
	else if(a==-1)
	{
		cout << "Your number is out of range, please try again.n";
		Player(x);
	}
	else if(a==0)
	{
		cout << "Your number has been occupied, please try again.n";
		Player(x);
	}
	else if(a == 1)
	{
		int i=stoi(s1),j= stoi(s2);
		X=i,Y=j;  //把最后一次落子的位置传入X,Y中
		if(x==1)
			chessboard[i][j]='X';
		else
			chessboard[i][j]='O';
	}
}  //游戏主程序
int check()
{
	int flag = 0;
	int count1;
	char ch=' ';
	int x=X,y=Y;
	for (int i = 1; i < Size; i++)
		for (int j = 1; j < Size; j++)
			if (chessboard[i][j] == ' ')
				flag++;  //判断还有几个空格
	count1=1;
	for(int i=1;i<=Size-1;i++)
	{
		if(chessboard[X][i]==chessboard[X][i+1]&&chessboard[X][i]!=' ')
			count1++;
		else
			count1=1;
		if(count1==5)
		{
			ch=chessboard[X][i];
			goto A;  //判断最后落子所在行是否有相等的
		}
	}
	count1=1;
	for(int i=1;i<=Size-1;i++)
	{
		if(chessboard[i][Y]==chessboard[i+1][Y]&&chessboard[i][Y]!=' ')
			count1++;
		else
			count1=1;
		if(count1==5)
		{
			ch=chessboard[X][i];
			goto A;  //判断最后落子所在列是否有相等的
		}
	}
	count1=1;
	while(true)
	{
		x--,y--;
		if(x<0||y<0)
			break;
	}
	x++,y++;
	for(int i=x,j=y;i+1<=Size||j+1<=Size;i++,j++)
	{
		if(chessboard[i][j]==chessboard[i+1][j+1]&&chessboard[i][j]!=' ')
			count1++;
		else
			count1=1;
		if(count1==5)
		{
			ch=chessboard[i][j];
			goto A;
		}
	}
	x=X,y=Y;
	count1=1;
	while(true)
	{
		x--,y++;
		if(x<0||y>Size)
			break;
	}
	x++,y--;
	for(int i=x,j=y;i+1<=Size||j+1>0;i++,j--)
	{
		if(chessboard[i][j]==chessboard[i+1][j+1]&&chessboard[i][j]!=' ')
			count1++;
		else
			count1=1;
		if(count1==5)
		{
			ch=chessboard[i][j];
			goto A;
		}
	}
A:  if(ch==' '&&flag==0)
		return -1; //棋盘被占满, 但没有五子出现
	else if(ch=='X')
		return 1;  //表示一号选手获胜
	else if(ch=='O')
		return 2;  //表示二号选手获胜
	else
		return 0;
}  //判断输赢
int main()
{
	while(true)
	{
		cout<<"请输入棋盘大小(<=50):";
		cin>>Size;
		if(Size>=5&&Size<=50)
			break;
		else
			cout<<"Your enter is not correct, please try again.n";
	}
	Initialize_the_chessboard();
	Print_the_chessboard();
	int p = 1;
	while (true)
	{
		Player(p % 2);
		Print_the_chessboard();
		p++;
		int a = check();
		if (a == 1)
		{
			cout << "The winner is Player1.";
			break;
		}
		else if (a == 2)
		{
			cout << "The winner is Player2.";
			break;
		}
		else if (a == -1)
		{
			cout << "The game is over. No one is a winner.";
			break;
		}
		else
			continue;
	}
	system("pause");
}