函数的声明：
#include <stdio.h> #include <stdlib.h> #include <time.h> //符号的定义 #define ROW 3 #define COL 3 //函数的声明 //初始化棋盘 void InitBoard(char board[ROW][COL], int row, int col); //打印棋盘函数 void DisplayBoard(char board[ROW][COL], int row, int col); //玩家下棋 void PlayerMove(char board[ROW][COL], int row, int col); //电脑下棋 void ComputerMove(char board[ROW][COL], int row, int col); // 玩家赢了 返回 * // 电脑赢了 返回 # // 平局 返回 Q // 游戏继续 返回 C //判断游戏输赢 char IsWin(char board[ROW][COL], int row, int col);
函数的实现：
void menu() { printf("******************************\n"); printf("****** 1. play *****\n"); printf("****** 0. exit *****\n"); printf("******************************\n"); } void InitBoard(char board[ROW][COL], int row, int col) { int i = 0; int j = 0; for (i = 0; i < row; i++) { 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]); if (j < col - 1)//控制多打印的 | printf("|"); } printf("\n"); //打印分隔 if (i < row - 1) { int j = 0; for (j = 0; j < col; j++) { printf("---"); if (j < col - 1) printf("|"); } printf("\n"); } } } void PlayerMove(char board[][COL], int row, int col) { int x = 0; int y = 0; printf("玩家走\n"); while (1) { printf("请输入下棋的坐标"); scanf("%d %d", &x, &y); //判断坐标合法性 if (x >= 1 && x <= row && y >= 1 && y <= col) { //下棋 //坐标是否被占用 if (board[x - 1][y - 1] == ' ') { board[x - 1][y - 1] = '*'; break; } else { printf("坐标被占用！请重新输入\n"); } } else { printf("坐标非法！请重新输入\n"); } } } void ComputerMove(char board[ROW][COL], int row, int col) { printf("电脑走\n"); while (1) { int x = rand() % row; int y = rand() % col; //判断棋盘是否满了 if (board[x][y] == ' ') { board[x][y] = '#'; break; } } } int IsFull(char board[ROW][COL], int row, int col) { int i = 0; int j = 0; for (i = 0; i < row; i++) { for (j = 0; j < col; j++) { if (board[i][j] == ' ') { return 0;//棋盘没满 } } } return 1;//棋盘满了 } char IsWin(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 < col; i++) { if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[1][i] != ' ') { return board[1][i]; } } //判断对角线 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 //棋盘满了返回1， 不满返回0 int ret = IsFull(board, row, col); if (ret == 1) { return 'Q'; } //继续游戏 return 'C'; } void game() { //存储数据 char board[ROW][COL]; //初始化棋盘 InitBoard(board, ROW, COL); //打印棋盘 DisplayBoard(board, ROW, COL); //游戏状态 char ret = 0; while (1) { PlayerMove(board, ROW, COL); DisplayBoard(board, ROW, COL); ret = IsWin(board, ROW, COL); if (ret != 'C') break; ComputerMove(board, ROW, COL); DisplayBoard(board, ROW, COL); ret = IsWin(board, ROW, COL); if (ret != 'C') break; } if (ret == '*') { printf("玩家赢了\n"); } else if (ret == '#') { printf("电脑赢了\n"); } else { printf("平局\n"); } DisplayBoard(board, ROW, COL); }
函数的整体调用：
int main() { int input = 0; //设置变化随机值 srand((unsigned int)time(NULL)); do { menu(); printf("请选择:"); scanf("%d", &input); switch (input) { case 1: game(); break; case 0: printf("退出游戏\n"); break; default: printf("选择错误，重新选择\n"); break; } } while (input); return 0; }
