三子棋

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#define ROW 3
#define COL 3
char g_broad[ROW][COL];
void Init() {
	//把数组中每个元素都初始化成‘  ’空格
	for (int row = 0; row < ROW; ++row) {
		for (int col = 0; col < COL; ++col) {
			g_broad[row][col] = ' ';
		}
	}
}
void Print() {
	for (int row = 0; row < ROW; ++row) {
		printf("| %c | %c | %c |\n", g_broad[row][0], g_broad[row][1], g_broad[row][2]);
		if (row != ROW - 1) {
			printf("|---|---|---|\n");
		}
	}
}
void PlayerMove() {
	printf("玩家落子！\n");
	while (1) {
		printf("请输入一组坐标（row col）：");
		int row = 0;
		int col = 0;
		scanf("%d %d", &row, &col);
		if (row < 0 || row >= ROW || col < 0 || col >= COL) {
			printf("您输入的坐标非法，请重新输入！\n");
			continue;
		}
		if (g_broad[row][col] != ' ') {
			printf("当前位置已经有子了，请重新输入！\n");
			continue;
		}
		g_broad[row][col] = 'x';
		break;
	}
}
void ComputerMove() {
	printf("电脑落子！\n");
	while (1) {
		int row = rand() % ROW;
		int col = rand() % COL;
		if (g_broad[row][col] != ' ') {
			//当前位置已经被占用！
			continue;
		}
		g_broad[row][col] = '0';
		break;
	}
}
int IsFull() {
	for (int row = 0; row < ROW; ++row) {
		for (int col = 0; col < COL; ++col) {
			if (g_broad[row][col] == ' ') {
				return 0;
			}
		}
	}
	return 1;
}
//x     0    q    ' '
char CheckWinner() {
	for (int row = 0; row < ROW; ++row) {
		if (g_broad[row][0] == g_broad[row][1] && g_broad[row][0] == g_broad[row][2] && g_broad[row][0] != ' ') {
			return g_broad[row][0];
		}
	}
	for (int col = 0; col < COL; ++col) {
		if (g_broad[0][col] == g_broad[1][col] && g_broad[0][col] == g_broad[2][col] && g_broad[0][col] != ' ') {
			return g_broad[0][col];

		}
	}
	if (g_broad[0][0] == g_broad[1][1] && g_broad[0][0] == g_broad[2][2] && g_broad[0][0] != ' ') {
		return g_broad[0][0];
	}
	if(g_broad[2][0] == g_broad[1][1] && g_broad[1][0] == g_broad[0][2] && g_broad[0][0] != ' ') {
		return g_broad[2][0];
	}
	if (IsFull()) {
		return 'q';
	}
	else {
		return ' ';
	}
}

int main() {
	printf("*************三子棋游戏**************\n");
	printf("******1.开始游戏 2.结束游戏**********\n");
	int i = 0;
	scanf("%d", &i);
	if (i == 1) {
		srand((unsigned int)time(0));
		Init();
		char winner = '\0';
		while (1) {
			//打印棋盘
			Print();
			//玩家落子
			PlayerMove();
			//判定胜负   Checkwinner()返回了当前游戏胜负情况 4中
			winner = CheckWinner();
			//判断游戏是否结束
			if (winner != ' ') {
				//游戏结束   赢家是winner
				break;
			}
			//电脑落子
			ComputerMove();
			winner = CheckWinner();
			if (winner != ' ') {
				//游戏结束   赢家是winner
				break;
			}
			system("cls");
		}
		Print();
		if (winner == 'x') {
			printf("你赢了！\n");
		}
		else if (winner == '0') {
			printf("你输了，真菜！\n");
		}
		else {
			printf("和棋\n");
		}
		//如果电脑玩家赢了  打印  你赢了  ；  电脑赢了   打印 你输了  ；    和棋 
	}
	else ;
	system("pause");
	return 0;
}

| x | 0 | 0 |
|---|---|---|
|   | x |   |
|---|---|---|
|   |   |   |
玩家落子！
请输入一组坐标（row col）：2 2
| x | 0 | 0 |
|---|---|---|
|   | x |   |
|---|---|---|
|   |   | x |
你赢了！
请按任意键继续. . .