三子棋游戏（人机对战）

1.打印棋盘

采用二维数组打印元素，先初始化棋盘中元素为 （空格字符）,在打印棋盘元素的同时加上边框

2.玩家落子9（棋子用字符‘x’表示）

3.电脑落子（棋子用字符‘o’表示）

用rand函数设置随机数（再用rand前设置随机种子），作为电脑的落子位置

4判定胜负

判断横行，纵行，对角线的元素是否相等

#define _CRT_SECURE_NO_WARNINGS #include <stdio.h> #include <stdlib.h> #include <time.h>

#define max_row 3 #define max_line 3

//三子棋游戏 void init_board(char board[max_row][max_line]){ //初始化棋盘为 for (int row = 0; row < max_row; row++){ for (int line = 0; line < max_line; line++){ board[row][line] = ; } } srand((unsigned int)time(0));//在程序开始处设置随机种子 }

//1打印棋盘 void print_checkboard(char board[max_row][max_line]){ system("cls");//每次打印之前先清屏 for (int row=0; row <max_row; row++){ printf("+--+--+--+ "); //在打印每一行元素之前打印棋盘的横向边框 for (int line = 0; line <max_line; line++){ printf("|%c ", board[row][line]);//在打印每一行的每一个元素之前先打印| } printf("| ");//在打印每一行的最后一个元素之后先打印| } printf("+--+--+--+ ");//在打印完所有元素之后打印棋盘的底边框 }

void player_move(char board[max_row][max_line]){ printf("请玩家落子！ "); printf("请玩家输入落子位置row line:"); while (1){ int row = 0; int line = 0; scanf("%d %d", &row,&line);//防止玩家输入的数字超出范围 if (row<0 || row >= max_row || line<0 || line >= max_line){ printf("请重新输入坐标! "); continue; } if (board[row][line] != ){ //已经有子的地方就不能落子 printf("此处有子 "); continue; } board[row][line] = x;//玩家落x的子 print_checkboard(board); break; } }

void computer_move(char board[max_row][max_line]){ printf("轮到电脑落子 "); while (1){ int row = rand() % max_row; int line = rand() % max_line; if (board[row][line] == ){ //判断此处是否有子 board[row][line] = o; print_checkboard(board); break; } } }

char winer(char board[max_row][max_line]){ for (int row = 0; row < max_row; row++){ //判断每一行上的棋子（字符）是否相等 if (board[row][0] == board[row][1] //若相等，返回对应的元素 && board[row][0] == board[row][2] && board[row][1] == board[row][2]){ return board[row][0]; } } for (int line = 0; line < max_line; line++){ //判断每一列上的棋子（字符）是否相等 if (board[0][line] == board[1][line] //若相等，返回对应的元素 && board[0][line] == board[2][line] && &board[1][line] == board[2][line]){ return board[0][line]; } } if (board[0][0] == board[1][1] //判断两条对角线上的棋子（字符）是否相等 && board[0][0] == board[2][2] //若相等，返回对应的元素 && board[1][1] == board[2][2]){ return board[0][0]; } if (board[0][2] == board[1][1] && board[0][2] == board[2][0] && board[1][1] == board[2][0]){ return board[1][2]; } for (int row = 0; row < max_row; row++){ //判断是否和棋（棋盘已满，但未分出胜负） for (int line = 0; line < max_line; line++){ if (board[row][line] != ){ return ; } } } }

int main(){ char board[max_row][max_line] = { 0 }; //初始化棋盘 init_board(board); while (1){ print_checkboard(board);//打印棋盘 player_move(board);//玩家落子 computer_move(board);//电脑落子 if (winer(board) == x){ //判定胜负 printf("玩家获胜！ "); } if (winer(board) == o){ printf("电脑获胜！ "); } if (winer(board) == ){ printf("和棋！"); } system("pause"); } system("pause"); return 0; }