一、基本逻辑二、步骤实现
打印菜单创建棋盘并初始化打印棋盘玩家下棋电脑下棋判断输赢 三、结果展示四、全部代码
一、基本逻辑C语言实现的三子棋的基本逻辑
二、步骤实现 打印菜单1.打印菜单选择进入或退出游戏
2.创建棋盘并打印
3.打印棋盘
4.玩家下棋(输入坐标),‘*’表示玩家
5.电脑下棋 (随机输入),‘#’表示电脑
6.判断胜负 (分出胜负则从第一步开始,否则从第四步开始)
输入1进入游戏,输入0退出游戏
void menu() { printf("****************************n"); printf("********* 1.play *********n"); printf("********* 0.exit *********n"); printf("****************************n"); }创建棋盘并初始化
使用宏定义便于后期修改代码
初始化棋盘来使棋盘都为空
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] = ' '; } }打印棋盘
注意棋盘构造,使用循环来打印,用if语句来判断是否打印最后一行和最后一列。
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) printf("|"); } printf("n"); if (i < row - 1) { for (j = 0; j < col; j++) { printf("---"); if (j < col - 1) printf("|"); } printf("n"); } } }玩家下棋
玩家输入坐标,如果坐标在棋盘上并且该坐标为空,则打印‘*’(数组的下标是坐标-1)
void player_move(char board[ROW][COL], int row, int col) { int x = 0; int y = 0; printf("玩家下棋n"); while (1) { printf("请输入坐标:>"); 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("该坐标被占用,请重新输入n"); } } else { printf("坐标非法,重新输入n"); } } }电脑下棋
电脑随机生成一个值先判断该值对应的坐标是否为空,若空则打印‘#’
使用rand()生成随机数时需要注意
- rand()和srand()要一起使用,其中srand()用来初始化随机数种子,rand()用来产生随机数。加头函数#include
任何数对一个数x取模,它的范围是[0,x)
void computer_move(char board[ROW][COL], int row, int col) { int x = 0; int y = 0; printf("电脑下棋n"); while (1) { x = rand() % row; y = rand() % col; if (board[x][y] == ' ') { board[x][y] = '#'; break; } } }判断输赢
1.整行整列相同,返回当前坐标上的值
2.对角线相同,返回当前坐标上的值
3.平局,棋盘满了但是没分出输赢,从第一步开始
char is_win(char board[ROW][COL], int row, int col) { int i = 0; 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]; } } 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]; } } 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]; } if (if_full(board, row, col) == 1) { return 'Q'; } return 'C'; }
static关键词修饰if-full函数使其只在该文件中被调用
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; } } } return 1; }三、结果展示
1.玩家赢
2.电脑赢
3.平局
game.h(函数声明,符号定义)
#include#include #include #define ROW 3 #define COL 3 void InitBoard(char board[ROW][COL], int row,int col); void DisplayBoard(char board[ROW][COL], int row, int col); void player_move(char board[ROW][COL], int row, int col); void computer_move(char board[ROW][COL], int row, int col); char is_win(char board[ROW][COL], int row, int col);
game .c(游戏实现)
#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]); 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"); } } } void player_move(char board[ROW][COL], int row, int col) { int x = 0; int y = 0; printf("玩家下棋n"); while (1) { printf("请输入坐标:>"); 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("该坐标被占用,请重新输入n"); } } else { printf("坐标非法,重新输入n"); } } } void computer_move(char board[ROW][COL], int row, int col) { int x = 0; int y = 0; printf("电脑下棋n"); while (1) { x = rand() % row; y = rand() % col; if (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; } } } return 1; } char is_win(char board[ROW][COL], int row, int col) { int i = 0; 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]; } } 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]; } } 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]; } if (if_full(board, row, col) == 1) { return 'Q'; } return 'C'; }
test.c(测试三子棋逻辑)
#include"game.h" void menu() { printf("****************************n"); printf("********* 1.play *********n"); printf("********* 0.exit *********n"); printf("****************************n"); } void game() { char ret = 0; char board[ROW][COL] = { 0 };//存放棋盘数据 InitBoard(board, ROW, COL);//初始化棋盘 DisplayBoard(board, ROW, COL);//显示棋盘 while (1) { player_move(board, ROW, COL); DisplayBoard(board, ROW, COL); ret = is_win(board, ROW, COL); if (ret!='C') { break; } computer_move(board, ROW, COL); DisplayBoard(board, ROW, COL); ret = is_win(board, ROW, COL); if (ret != 'C') { break; } } if (ret == '*') { printf("玩家赢n"); } else if(ret == '#') { printf("电脑赢n"); } else { printf("平局n"); } } void test() { int input = 0; 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("输入出错误,重新输入n"); break; } } while (input); } int main() { test(); return 0; }
感谢大家的阅读,如果有错误欢迎大家纠正。
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