帮我用C语言写一个五子棋游戏，要求：实现人和电脑对弈

A：

以下是一个简单的五子棋游戏示例，满足人与电脑对弈的需求。其中，电脑AI部分使用了简单的随机算法，使得每次电脑下子都是随机的。

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

#define ROW 15
#define COLUMN 15
#define PLAYER 1
#define COMPUTER 2

int board[ROW][COLUMN];

void init_board();
void print_board();
int check_win(int player);
void player_move();
void computer_move();

int main() {
  init_board();
  print_board();
  
  int current_player = PLAYER;
  while (1) {
    if (current_player == PLAYER) {
      player_move();
      if (check_win(PLAYER)) {
        printf("You win!\n");
        break;
      }
      current_player = COMPUTER;
    } else {
      computer_move();
      print_board();
      if (check_win(COMPUTER)) {
        printf("Computer win!\n");
        break;
      }
      current_player = PLAYER;
    }
  }
  
  return 0;
}

void init_board() {
  for (int i = 0; i < ROW; i++) {
    for (int j = 0; j < COLUMN; j++) {
      board[i][j] = 0;
    }
  }
}

void print_board() {
  printf("   ");
  for (int i = 0; i < COLUMN; i++) {
    printf("%c ", i + 'a');
  }
  printf("\n");
  
  for (int i = 0; i < ROW; i++) {
    printf("%2d ", i + 1);
    for (int j = 0; j < COLUMN; j++) {
      switch (board[i][j]) {
        case 0:
          printf("+ ");
          break;
        case PLAYER:
          printf("O ");
          break;
        case COMPUTER:
          printf("X ");
          break;
      }
    }
    printf("%d\n", i + 1);
  }
  
  printf("   ");
  for (int i = 0; i < COLUMN; i++) {
    printf("%c ", i + 'a');
  }
  printf("\n");
}

int check_win(int player) {
  // check rows
  for (int i = 0; i < ROW; i++) {
    int count = 0;
    for (int j = 0; j < COLUMN; j++) {
      if (board[i][j] == player) {
        count++;
      } else {
        count = 0;
      }
      
      if (count == 5) {
        return 1;
      }
    }
  }
  
  // check columns
  for (int j = 0; j < COLUMN; j++) {
    int count = 0;
    for (int i = 0; i < ROW; i++) {
      if (board[i][j] == player) {
        count++;
      } else {
        count = 0;
      }
      
      if (count == 5) {
        return 1;
      }
    }
  }
  
  // check diagonal (left to right)
  for (int i = 0; i <= ROW - 5; i++) {
    for (int j = 0; j <= COLUMN - 5; j++) {
      int count = 0;
      for (int k = 0; k < 5; k++) {
        if (board[i+k][j+k] == player) {
          count++;
        } else {
          break;
        }
      }
      
      if (count == 5) {
        return 1;
      }
    }
  }
  
  // check diagonal (right to left)
  for (int i = 0; i <= ROW - 5; i++) {
    for (int j = 4; j < COLUMN; j++) {
      int count = 0;
      for (int k = 0; k < 5; k++) {
        if (board[i+k][j-k] == player) {
          count++;
        } else {
          break;
        }
      }
      
      if (count == 5) {
        return 1;
      }
    }
  }
  
  return 0;
}

void player_move() {
  int row, column;
  while (1) {
    printf("Your turn (row, column): ");
    scanf("%d %d", &row, &column);
    if (row < 1 || row > ROW || column < 0 || column >= COLUMN || board[row-1][column] != 0) {
      printf("Invalid move, please try again.\n");
    } else {
      break;
    }
  }
  
  board[row-1][column] = PLAYER;
}

void computer_move() {
  printf("Computer's turn:\n");
  
  srand(time(NULL));
  int row, column;
  while (1) {
    row = rand() % ROW;
    column = rand() % COLUMN;
    if (board[row][column] == 0) {
      break;
    }
  }
  
  board[row][column] = COMPUTER;
}