兩個源檔案與一個頭檔案代碼

游戲主干:test.c

#include"game.h"

void menu();//選單
void game();//游戲

int main(){
	srand((unsigned int)time(NULL));//初始化隨機種子
	int input = 0;
	do{
		menu();//選單
		printf("請選擇:");
		scanf("%d", &input);
		switch (input){
		case 1:
			system("cls");
			game();//進入游戲
			break;
		case 0:
			printf("退出\n");
			break;
		default:
			printf("無效選項，重新選擇\n");
			break;
		}
		system("cls");
	} while (input);
	return 0;
}

void menu() {//游戲選單
	printf("|----------------------|\n");
	printf("|        1.玩          |\n");
	printf("|        0.摸          |\n");
	printf("|----------------------|\n");
	printf("輸入選項:\n");
}

void game() {//游戲
	char res = 0;
	char board[ROW][COL];
	Init(board, ROW, COL);
	ShowBoard(board, ROW, COL);
	while (1) {
		PlayerAct(board, ROW, COL);//玩家行動
		system("cls");
		ShowBoard(board, ROW, COL);
		res = Check(board, ROW, COL);
		if (res != 'c')
			break;
		ComputerAct(board, ROW, COL);//電腦行動
		system("cls");
		ShowBoard(board, ROW, COL);
		Sleep(1000);
		res = Check(board, ROW, COL);
		if (res != 'c')
			break;
	}
	if (res == '#')
		printf("玩家勝\n");
	else if (res == '*')
		printf("電腦勝\n");
	else if (res == 'q')
		printf("平局\n");
	Sleep(1500);
}

頭檔案與函式宣告:game.h

#define _CRT_SECURE_NO_WARNINGS 1

#define ROW 3
#define COL 3

#include<stdio.h>
#include<time.h>
#include<stdlib.h>
#include<Windows.h>

void Init(char board[ROW][COL], int row, int col);//初始化
void ShowBoard(char board[ROW][COL], int row, int col);//列印棋盤
void PlayerAct(char board[ROW][COL], int row, int col);//玩家行動
void ComputerAct(char board[ROW][COL], int row, int col);//電腦行動
char Check(char board[ROW][COL], int row, int col);//勝負判斷

函式實作:game.c

#include"game.h"

//初始化
void Init(char board[ROW][COL], int row, int col){
	int i = 0,j = 0;
	for (i = 0; i < row; i++){
		for (j = 0; j < col; j++){
			board[i][j] = ' ';
		}
	}
}

//列印棋盤
void ShowBoard(char board[ROW][COL], int row, int col){
	int i = 0;
	for (i = 0; i < row; i++){
		int j = 0;
		for (j = 0; j < col; j++){
			printf(" %c ", board[i][j]);
			if (j < col - 1)
				printf("|");
		}
		printf("\n");
		if (i < row - 1){
			for (j = 0; j < col; j++){
				printf("---");
				if (j < col - 1)
					printf("|");
			}
			printf("\n");
		}
	}
}

//玩家行動
void PlayerAct(char board[ROW][COL], int row, int col){
	int x = 0,y = 0;
	printf("#玩家回合:\n");
	while (1){
		printf("輸入一個坐標,用空格隔開:");
		scanf("%d%d", &x, &y);
		if ((x >= 1) && (x <= row) && (y >= 1) && (y <= col)){
			if (board[x - 1][y - 1] == ' '){
				board[x - 1][y - 1] = '#';
				break;
			}
			else
				printf("坐標被占用，重新輸入\n");
		}
		else{
			printf("無效坐標，重新輸入\n");
		}
	}
}

//電腦行動
void ComputerAct(char board[ROW][COL], int row, int col){
	printf("*電腦回合:>\n");
	Sleep(500);
	while (1){
		int x = rand() % row;
		int y = rand() % col;
		if (board[x][y] == ' '){
			board[x][y] = '*';
			break;
		}
	}
}

//判斷平局
int Full(char board[ROW][COL], int row, int col){
	int i = 0;
	for (i = 0; i < row; i++){
		int j = 0;
		for (j = 0; j < col; j++){
			if (board[i][j] == ' ')
				return 0;
		}
	}
	return 1;
}

//判定
char Check(char board[ROW][COL], int row, int col){
	int i = 0;
	//檢查行
	for (i = 0; i < row; i++){
		if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][0] != ' ')
			return board[i][0];
	}
	//檢查列
	for (i = 0; i < col; i++){
		if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[0][i] != ' ')
			return board[0][i];
	}
	//檢查對角線
	if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[0][0] != ' ')
		return board[0][0];
	if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[0][2] != ' ')
		return board[0][2];
	//判斷平局
	if (Full(board, row, col) == 1)
		return 'q';
	//勝負未定，繼續游戲
	return 'c';
}

運行截圖