三子棋遊戲 代碼實作（C語言）

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#define ROW 3
#define COL 3
//ROW橫，COL豎

char g_broad[ROW][COL];
//棋盤3*3

void Init(char broad[ROW][COL]) {
	for (int row = 0; row < ROW; ++row) {
		for (int col = 0; col < COL; ++col){
			broad[row][col] = ' ';
			//指派操作
		}
	}
}

//棋盤函數
void Print(char broad[ROW][COL]) {
	for (int row = 0; row < ROW; ++row) {
		printf(" %c | %c | %c \n", broad[row][0], broad[row][1], broad[row][2]);
		printf("---|---|---\n");
	}
}

//玩家落子函數 
void PlayerMove(char broad[ROW][COL]) {
	printf("玩家落子!\n");
	while (1) {
		int row = 0;
		int col = 0;
		printf("請輸入一組坐标（row col):");
		scanf("%d %d", &row, &col);
		if (row < 0 || row >= ROW || col<0 || col>COL) {
			printf("您輸入的坐标非法！請重新輸入！\n");
			continue;
		}
		if (broad[row][col] != ' ') {
			printf("該位置已有子，請重新輸入！\n");
			continue;
		}
		broad[row][col] = 'X';
		break;
	}
}

//電腦落子函數
void ComputerMove(char broad[ROW][COL]) {
	printf("電腦落子！\n");
	while(1) {
		//1是真條件
		//rand随機數 
		int row = rand() % ROW;
		int col = rand() % COL;
		if (broad[row][col] != ' ') {
			//該位置被占用，重新生成随機數
			continue;
		}
		broad[row][col] = '0';
		break;
	}
}

int IsFull(char broad[ROW][COL]) {
	for(int row = 0; row < ROW; ++row) {
		for (int col = 0; col < COL; ++col){
			if (broad[row][col] == ' ') {
				return 0;
			}
		}
	}
	return 1;
}

char CheckWinner(char broad[ROW][COL]) {
	//先檢查所有行
	for (int row = 0; row < ROW; ++row) {
		if (broad[row][0] == broad[row][1]
			&& broad[row][0] == broad[row][2]
			&& broad[row][0] != ' ') {
			return broad[row][0];
		}
	}
	//檢查所有列
	for (int col = 0; col < COL; ++col) {
		if (broad[0][col] == broad[1][col]
			&& broad[0][col] == broad[2][col]
			&& broad[0][col] != ' ') {
			return broad[0][col];
		}
	}
	//檢查對角線
	if (broad[0][0] == broad[1][1]
		&& broad[0][0] == broad[2][2]
		&& broad[0][0] != ' ') {
		return broad[0][0];
	}
	if (broad[2][0] == broad[1][1]
		&& broad[2][0] == broad[0][2]
		&& broad[2][0] != ' ') {
		return broad[2][0];
	}
	//判定是否和棋
	if (IsFull(broad)) {
		return'q';
	}
	return' ';
}

void Game() {
	//1.先對棋盤進行初始化
	Init(g_broad);
	char Winner = ' ';
	while (1) {
		//2.列印棋盤(第一次列印的是空棋盤）
		Print(g_broad);
		//3.玩家落子，檢查遊戲是否結束
		PlayerMove(g_broad);
		//X玩家勝，O電腦勝，q和棋，‘ ’勝負未分。
		if (Winner != ' ') {
			break;
		}
		//4.電腦落子，檢查遊戲是否結束
		ComputerMove(g_broad);
		Winner = CheckWinner(g_broad);
		if (Winner != ' ') {
			break;
		}
	}
	if (Winner == 'X') {
		printf("玩家勝！\n");
	}
	else if (Winner == 'O') {
		printf("電腦勝！\n");
	}
	else if (Winner == 'q') {
		printf("和棋！\n");
	}
	else {
		printf("程式出錯！\n");
	}
}
int Menu() {
	printf("************************\n");
	printf("1.開始遊戲\n");
	printf("0.退出遊戲\n");
	printf("************************\n");
	printf("請輸入您的選擇：");
		int choice;
	scanf("%d", &choice);
}
int main() {
	//随機種子的設定，隻要程式啟動時，設定一次就行
	srand((unsigned int)time(0));
	while (1) {
		int choice = Menu();
		if (choice == 1) {
			Game();
		}
		else {
			printf("good bye!\n");
			break;
		}
	}
	system("pause");
	return 0;
}