代码练习_4_2

//创建一个字符型二维数组(3*3)表示棋盘(x表
//x示玩家落子,o表示电脑落子,’ ‘表示未落子)
//1.游戏开始是, 进行初始化棋盘, 把所有元素都设为’’
//2.提示玩家落子(输入一个坐标)
//3.判定胜负
//4.电脑落子(基于随机数的方式生成一个坐标)
//5.判定胜负
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
int Menu(){
printf("\n");
printf(“1.开始游戏\n”);
printf(“0.结束游戏\n”);
printf("\n");
printf(“请输入您的选择: “);
int choice = 0;
scanf(”%d”,&choice);
return choice;
}
#define MAX_ROW 3
#define MAX_COL 3
char chess_board[MAX_ROW][MAX_COL];

void Init(){
for (int row = 0; row < MAX_ROW; ++row){
for (int col = 0; col < MAX_COL; ++col){
chess_board[row][col] = ’ ';
}
}
//设置随机种子
srand((unsigned int)time(0));
}
void print(){
for (int row = 0; row < MAX_ROW; ++row){
printf("| %c | %c | %c |\n", chess_board[row][0],
chess_board[row][1], chess_board[row][2]);
if (row != MAX_ROW - 1){
printf("|—|---|—|\n");
}
}
//为了调试程序临时加的代码,最好给他加上一个统一风格的注释
//TODO
//system(“pause”);
}
void PlayerMove(){
printf(“玩家落子!\n”);
while (1){
printf(“请输入落子位置的坐标(row col): “);
int row = 0;
int col = 0;
scanf(”%d %d”, &row, &col);
//检查用户输入的坐标是否合法
if (row < 0 || row >= MAX_ROW ||
col < 0 || col >= MAX_COL){
printf(“您输入的坐标非法!请重新输入!\n”);
continue;
}
if (chess_board[row][col] != ’ '){
printf(“您要落子的位置已经被占了!\n”);
continue;
}
chess_board[row][col] = ‘x’;
break;
}
printf(“玩家落子完毕!\n”);
}
void ComputerMove(){
printf(“电脑落子\n”);
while (1){
int row = rand() % 3;
int col = rand() % 3;
if (chess_board[row][col] != ’ ‘){
continue;
}
chess_board[row][col] = ‘o’;
break;
}
printf(“电脑落子完毕\n”);
}
//返回值表示胜利者是谁
//x表示玩家胜
//o表示电脑胜利
//’ ‘表示未分出胜负
//如果棋盘满了返回1;否则返回0;
int IsFull(){
for (int row = 0; row < MAX_ROW; ++row){
for (int col = 0; col < MAX_COL; ++col){
//未满
return 0;
}
}
return 1;
}
//返回值表示胜利者是谁
//x表示玩家胜
//q表示和棋
//’ '表示胜负未分
char CheckWinner(){
//检查所有行是否连成一条线
for (int row = 0; row < MAX_ROW; ++row){
if (chess_board[row][0] == chess_board[row][1]
&& chess_board[row][0] == chess_board[row][2]){
return chess_board[row][0];
}
}
//检查所有列是否连成一条线
for (int col = 0; col < MAX_COL; ++col){
if (chess_board[0][col] == chess_board[1][col]
&& chess_board[0][col] == chess_board[0][2]){
return chess_board[0][col];
}
}
//检查所有对角线是否连成一条线
if (chess_board[0][0] == chess_board[1][1]
&& chess_board[0][0] == chess_board[2][2]){
return chess_board[0][0];
}
if (chess_board[0][2] == chess_board[1][1]
&& chess_board[0][0] == chess_board[2][0]){
return chess_board[0][2];
}
//棋盘满并且未分出胜负
if (IsFull()){
return ‘q’;
}
return ’ ';
}
//自顶向下式的程序开发方法
void Game(){
//1.初始化棋盘
Init();
char winner = ’ ';
while (1){
//2.打印棋盘
print();
//3.玩家落子
PlayerMove();
//4.检测胜负
winner = CheckWinner();
if (winner != ’ '){
//胜负已分
break;
}
//5.电脑落子
ComputerMove();
//6.检测胜负
winner = CheckWinner();
if (winner != ’ '){
break;
}
}
print();
if (winner == ‘x’){9±
printf(“您赢了!\n”);
}
else if (winner == ‘o’){
printf(“您真菜!\n”);
}
else if (winner == ‘q’){
printf(“您和电脑五五开!\n”);
}
else{
printf(“代码好像出bug了!\n”);
}
}
int main(){
while (1){
int choice = Menu();
if (choice == 1){
Game();
}
else if (choice == 0){
printf(“goodbye!\n”);
break;
}
else{
printf(“您的输入有误!\n”);
}
}
system(“pause”);
return 0;
}