自创三子棋，拓展版

#define _CRT_SECURE_NO_WARNINGS 1
#include "game.h"
void init_board(char board[ROW][COL], int row, int col)
{
  int i, j ;
  for (i = 0; i < ROW; i++)
  {   
    for (j = 0; j < COL; j++)
    {     
      board[i][j] = ' ';
    }
  }
}
void print_board(char board[ROW][COL], int row, int col)
{
  int i, j;
  for (j = 0; j < col - 1; j++)
  {
    for (i = 0; i < row - 1; i++)
    {
        printf(" %c |", board[i][j]);
    }
    printf(" %c \n", board[i][j]);
    for (i = 0; i < row - 1; i++)
      {
          printf("---|");
      }
      printf("---\n");  
  }
  for (i = 0; i < row - 1; i++)
  {
    printf(" %c |", board[i][j]);
  }
  printf(" %c \n", board[i][j]);
}
void player_move(char board[ROW][COL], int row, int col)
{
  printf("棋盘大小为%d×%d，%d子连线为赢，现在你为先手。\n", ROW, COL, WIN);
  printf("玩家，“#”为你的棋子，“*”为我的棋子\n");
  printf("请输入你的想下的位置:>");
  while (1)
  {
    int x = 0, y = 0;
    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("你输入的位置已经被填过了！，请重新输入:>");
    }
    else
      printf("输入错误！\n");
  }
}
void computer_move(char board[ROW][COL], int row, int col)
{
  printf("我思考一下....\n");
  Sleep(1500);
  while (1)
  {
    int x = rand() % row;
    int y = rand() % col;
    if (board[x][y] == ' ')
    {
      board[x][y] = '*';
      break;
    }
  }
}
static int is_full(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;
    }
  }
  return 1;
}
char who_win(char board[ROW][COL], int row, int col)
{
  int i, j;
  int j1,j2;
  for (j1 = 0; j1 < col; j1++)
  {
    for (i = 0; i <= row - WIN; i++)
    {
      for (j = i + 1; j < i + WIN; j++)
      {
        if (board[j][j1] != board[i][j1])
          break;
      }
      if (j == i + WIN && board[i][j1] != ' ')
        return board[i][j1];
    }
  }
  for (i = 0; i < row; i++)
  {
    for (j1 = 0; j1 <= col - WIN; j1++)
    {
      for (j2 = j1 + 1; j2 < j1 + WIN; j2++)
      {
        if (board[i][j2] != board[i][j1])
          break;
      }
      if (j2 == j1 + WIN && board[i][j1] != ' ')
        return board[i][j1];
    }
  }
  for (j1 = 0; j1 <= col - WIN; j1++)
  {
    for (i = 0; i <= row - WIN; i++)
    {
      for (j = i + 1, j2 = j1 + 1; j2 < j1 + WIN && j < i + WIN; j++, j2++)
      {
        if (board[j][j2] != board[i][j1])
          break;
      }
      if (j2 == j1 + WIN && j == i + WIN && board[i][j1] != ' ')
        return board[i][j1];
    }
  }
  for (j1 = col - 1; j1 >= COL - WIN - 1; j1--)
  {
    for (i = 0; i <= row - WIN; i++)
    {
      for (j = i + 1, j2 = j1 - 1; j2 > j1 - WIN && j < i + WIN; j++, j2--)
      {
        if (board[j][j2] != board[i][j1])
          break;
      }
      if (j2 == j1 - WIN && j == i + WIN && board[i][j1] != ' ')
        return board[i][j1];
    }
  }
  if (is_full(board, row, col))
    return 'Q';
  return 'C';
}
void menu()
{
  printf("##########################\n");
  printf("##########################\n");
  printf("######请选择一个数字######\n");
  printf("####1.进入三子棋游戏######\n");
  printf("#######0.退出游戏#########\n");
  printf("##########################\n");
  printf("##########################\n");
  printf("########################>");
}
void game()
{
  srand((unsigned int)time(NULL));
  char board[ROW][COL];
  char ret;
  init_board(board, ROW, COL);
  print_board(board, ROW, COL);
  while (1)
  {
    player_move(board, ROW, COL);
    system("cls");
    print_board(board, ROW, COL);
    ret = who_win(board, ROW, COL);
    if (ret != 'C')
    {
      break;
    }
    computer_move(board, ROW, COL);
    system("cls");
    print_board(board, ROW, COL);
    ret = who_win(board, ROW, COL);
    if (ret != 'C')
    {
      break;
    }
  }
  if (ret == '#')
    printf("玩家你太牛了\n再来一局吧！\n");
  else if (ret == '*')
    printf("嘻嘻，我赢了\n再来一局吧！\n");
  else if (ret == 'Q')
    printf("平局了...\n再来一局吧！\n");
}
void do_you_want()
{
  int option = 0, count = 0;
  do
  {
    menu();
    scanf("%d", &option);
    switch (option)
    {
    case 1:
      game();
      break;
    case 0:
    {
      printf("退出游戏！\n");
      break;
    }
    default:
      printf("请重新输入\n");
      break;
    }
  } while (option);
}

#define _CRT_SECURE_NO_WARNINGS 1
#define ROW 10 //你需要多少列的棋盘？
#define COL 10 //你需要多少行的棋盘？
#define WIN 5 //你想几子连成线为赢？
#include<stdio.h>
#include<time.h>
#include<stdlib.h>
#include<Windows.h>
void init_board(char board[ROW][COL], int row, int col);
void print_board(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);
static int is_full(char board[ROW][COL], int row, int col);
char who_win(char board[ROW][COL], int row, int col);
void menu();
void game();
void do_you_want();

#define _CRT_SECURE_NO_WARNINGS 1
#include "game.h"
int main()
{
  do_you_want();
  return 0;
}