本文实例为大家分享了C语言实现三子棋游戏的具体代码，供大家参考，具体内容如下

game.h

设置头文件

#define ROW 3
#define COL 3
#include<stdio.h>
#include<stdlib.h>
#include<time.h>

//声明函数
//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 PlayerMove(char board[ROW][COL], int row, int col);
//电脑下棋
void ComputerMove(char board[ROW][COL], int row, int col);
//判断输赢
char CheckWin(char board[ROW][COL], int row, int col);

game.c

实现三子棋游戏功能模块

#include"game.h"


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++) {//按行打印
  //打印数据
  //printf(" %c | %c | %c \n", 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("\n");//打印完数据换行
  //打印分隔行
  //if(i<row-1)
  // printf("---|---|---\n");
  if (i < row - 1) {
   for (j = 0; j < col; j++) {
    printf("---");
    if (j < col - 1) {
     printf("|");
    }
    
   }
  }
  printf("\n");//打印完分割线换行
 }
}

void PlayerMove(char board[ROW][COL], int row, int col) {
 int x = 0;
 int y = 0;
 printf("玩家走：\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] = '*';//落子
    break;
   }
   else
   {
    printf("该坐标以被占用，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;
  if (board[x][y] == ' ') {
   board[x][y] = '#';//电脑落子
   break;
  }
 }
}

static 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;//有空
   }
  }
 }
 return 1;//已满
}

char CheckWin(char board[ROW][COL], int row, int col) {
 int i = 0;
 int j = 0;
 int count = 0;
 //行是否相等
 //for (i = 0; i < row; i++) {
 // if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][0] != ' ') {
 //  return board[i][0];
 // }
 //}
 for (i = 0; i < row; i++) {
  count = 0;
  for (j = 0; j < col - 1; j++) {
   if (board[i][j] == board[i][j + 1] && board[i][j] != ' ') {
    count++;
   }
   else
   {
    break;
   }
   //if (count == col - 1) {
   // return board[i][0];
   //}
  }
  if (count == col - 1) {
   return board[i][0];
  }
 }

 //列
 //for (i = 0; i < col; i++) {
 // if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[0][i] != ' ') {
 //  return board[0][i];
 // }
 //}
 for (i = 0; i < col; i++) {
  count = 0;
  for (j = 0; j < row - 1; j++) {
   if (board[j][i] == board[j+1][i] && board[j][i] != ' ') {
    count++;
   }
   else
   {
    break;
   }
   //if (count == row - 1) {
   // return board[0][i];
   //}
  }
  if (count == row - 1) {
   return board[0][i];
  }
 }
  
 //对角线
 //if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[0][0] != ' ') {
 // return board[0][0];
 //}
 //if (board[2][0] == board[1][1] && board[1][1] == board[0][2] && board[1][1] != ' ') {
 // return board[1][1];
 //}
 
 //分别判断两条对角线
 int count1 = 0;
 for (i = 0; i < row-1; i++) {
  //count = 0;
  if ((board[i][i] == board[i + 1][i + 1])&&(board[0][0]!=' ')) {//循环判断第一条对角线 如果相同计数器累加 不相同就跳出循环
   count1++;
  }
  else
  {
   break;
  }
  //if (count1 == row - 1) {//到此时 第一条对角线上所有元素相同 游戏结束 返回胜利条件 count达不到row-1！！
  // return board[0][0];
  //}
 }
 if (count1 == row - 1) {//到此时 需要在外层判断！！ 第一条对角线上所有元素相同 游戏结束 返回胜利条件
  return board[0][0];
 }
 int count2 = 0;
 for (i = 0; i < row - 1; i++) {
  //count = 0;
  if (board[i][row-1-i] == board[i + 1][row-2-i] && board[row-1-i][0] != ' ') {
   count2++;
  }
  else
  {
   break;
  }
  //if (count2 == row - 1) {
  // return board[row-1][0];
  //}
 }
 if (count2 == row - 1) {
  return board[row - 1][0];
 }
 //判断平局 棋盘是否满了 是否有空格
 if (IsFull(board,ROW,COL)==1) {
  return 'Q';
 }
 //不是平局
 return 'C';
}

test.c

主函数

#include"game.h"


void game() {
 char ret = 0;
 //printf("game start");
 char board[ROW][COL] = { 0 };//数组应该初始化为空格
 InitBoard(board, ROW, COL);//初始化棋盘
 //打印棋盘
 DisplayBoard(board, ROW, COL);
 //分析：
 //1、玩家赢 * 2、电脑赢 # 3、平局 Q 4、继续 C
 //要判断输赢
 while (1)
 {
  //玩家下棋
  PlayerMove(board,ROW,COL);
  DisplayBoard(board, ROW, COL);
  //判断输赢
  ret = CheckWin(board, ROW, COL);
  if (ret != 'C') {
   break;
  }
  
  //电脑下棋
  ComputerMove(board, ROW, COL);
  DisplayBoard(board, ROW, COL);
  //判断输赢
  ret = CheckWin(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 menu() {
 printf("##########################\n");
 printf("######### 1、play ########\n");
 printf("######### 0、exit ########\n");
 printf("##########################\n");
}

int main() {
 int input = 0;
 srand((unsigned int)time(NULL));//生成随机数
 do {
  menu();
  printf("请选择：");
  scanf("%d", &input);
  switch (input)
  {
  case 1:
   game();//三子棋游戏
   break;
  case 0:
   printf("退出游戏\n");
   break;
  default:
   printf("输入错误，请重新输入\n");
   break;
  }

 } while (input);
}

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