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分为三部分入手，更轻松学会。
test.c 测试游戏的逻辑
//测试三子棋的逻辑#include "game.h"void menu(){printf("********************
");printf("**** 1.play ****
");printf("**** 0.exit ****
");printf("********************
");}void game(){char ret = 0;//存放下棋的数据char board[ROW][COL] = { 0 };//初始化棋盘为全空格InitBoard(board, ROW, COL);//打印棋盘DisplayBoard(board, ROW, COL); while (1){//玩家下棋player_move(board, ROW, COL);DisplayBoard(board, ROW, COL);//判断输赢 ret = is_win(board, ROW, COL);if (ret != 'C'){break;}//电脑下棋computer_move(board, ROW, COL);//随机下棋DisplayBoard(board, ROW, COL); ret = is_win(board, ROW, COL);if (ret != 'C'){break;}}if (ret == '*'){printf("玩家赢
");}else if (ret == '#'){printf("电脑赢
");}else if(ret=='Q'){printf("平局
");}//DisplayBoard(board, ROW, COL);} //什么情况下游戏结束//玩家赢-*//电脑赢-#//平局-Q//继续-Cvoid test(){int input = 0;srand((unsigned int)time(NULL));do{menu();printf("请选择：");scanf("%d", &input);switch (input){case 1:game();//游戏break;case 0:printf("退出游戏
");break;default:printf("选择错误
");break;}} while (input);}int main(){test();return 0;}
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game.c 游戏的实现
#include "game.h"void InitBoard(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++){board[i][j] = ' ';}}}//void DisplayBoard(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]);//}//printf("
");//}//}void DisplayBoard(char board[ROW][COL], int row, int col){int i = 0;for (i = 0; i < row; i++){//打印数据//printf(" %c | %c | %c
",board[i][0],board[i][1],board[i][2]);int j = 0;for (j = 0; j < col; j++){printf(" %c ", board[i][j]);if (j<col-1)printf("|");}printf("
");//打印分割行if (i < row - 1)//printf("---|---|---
");{for (j = 0; j < col; j++){printf("---");if (j < col - 1)printf("|");}printf("
");}}}void player_move(char board[ROW][COL], int row, int col){int x = 0;int y = 0;printf("玩家下棋
");while (1){printf("请输入坐标：");scanf("%d %d", &x, &y);if (x >= 1 && x <= row && y >= 1 && y <= col){//下棋if (board[x - 1][y - 1] == ' '){board[x - 1][y - 1] = '*';break;}else{printf("该坐标以被占用，请重新输入
");}}else{printf("该坐标以被占用，请重新输入
");}}}void computer_move(char board[ROW][COL], int row, int col){int x = 0;int y = 0;printf("电脑下棋
");while (1){x = rand() % row;//0~2y = rand() % col;//0~2if (board[x][y] == ' '){board[x][y] = '#';break;}}}static int if_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;//没满}}}return 1;//满了}char is_win(char board[ROW][COL], int row, int col){int i = 0;//判断行for (i = 0; i < row; i++){if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][1] != ' '){return board[i][1];}}//判断列for (i = 0; i < row; i++){if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[1][i] != ' '){return board[1][i];}}//对角线if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' '){return board[1][1];}if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' '){return board[1][1];}//判断平局if (if_full(board, row, col) == 1){return 'Q';}//继续return 'C';}
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game.h 函数声明，符号的定义
#pragma once#include <stdio.h>#include <stdlib.h>#include <time.h>#define ROW 3#define COL 3//初始化棋盘void InitBoard(char board[ROW][COL], int row, int col);//打印棋盘void DisplayBoard(char board[ROW][COL], int row, int col);//玩家下棋void player_move(char board[ROW][COL], int row, int col);//电脑下棋void computer_move(char board[ROW][COL], int row, int col);//判断输赢char is_win(char board[ROW][COL], int row, int col);
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