用c语言写一个五子棋游戏源代码

以下是一个简单的C语言五子棋游戏源代码，仅供参考：

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

#define BOARD_SIZE 15

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

void print_board(int board[][BOARD_SIZE]) {
    int i, j;
    printf("   ");
    for (i = 0; i < BOARD_SIZE; i++) {
        printf("%c ", 'A' + i);
    }
    printf("\n");
    for (i = 0; i < BOARD_SIZE; i++) {
        printf("%2d ", i + 1);
        for (j = 0; j < BOARD_SIZE; j++) {
            if (board[i][j] == 0) {
                printf("+ ");
            } else if (board[i][j] == 1) {
                printf("O ");
            } else if (board[i][j] == 2) {
                printf("X ");
            }
        }
        printf("\n");
    }
}

bool is_valid(int x, int y) {
    return x >= 0 && x < BOARD_SIZE && y >= 0 && y < BOARD_SIZE;
}

bool is_win(int board[][BOARD_SIZE], int player, int x, int y) {
    int i, j, count;

    // 水平方向
    count = 1;
    for (i = x - 1; is_valid(i, y) && board[i][y] == player; i--, count++);
    for (i = x + 1; is_valid(i, y) && board[i][y] == player; i++, count++);
    if (count >= 5) return true;

    // 垂直方向
    count = 1;
    for (j = y - 1; is_valid(x, j) && board[x][j] == player; j--, count++);
    for (j = y + 1; is_valid(x, j) && board[x][j] == player; j++, count++);
    if (count >= 5) return true;

    // 左上到右下方向
    count = 1;
    for (i = x - 1, j = y - 1; is_valid(i, j) && board[i][j] == player; i--, j--, count++);
    for (i = x + 1, j = y + 1; is_valid(i, j) && board[i][j] == player; i++, j++, count++);
    if (count >= 5) return true;

    // 右上到左下方向
    count = 1;
    for (i = x + 1, j = y - 1; is_valid(i, j) && board[i][j] == player; i++, j--, count++);
    for (i = x - 1, j = y + 1; is_valid(i, j) && board[i][j] == player; i--, j++, count++);
    if (count >= 5) return true;

    return false;
}

int main() {
    int board[BOARD_SIZE][BOARD_SIZE];
    int player = 1;
    int x, y;

    init_board(board);

    while (true) {
        print_board(board);

        printf("Player %d's turn: ", player);
        scanf("%d %d", &x, &y);

        if (!is_valid(x - 1, y - 1)) {
            printf("Invalid position.\n");
            continue;
        }

        if (board[x - 1][y - 1] != 0) {
            printf("Position already occupied.\n");
            continue;
        }

        board[x - 1][y - 1] = player;

        if (is_win(board, player, x - 1, y - 1)) {
            printf("Player %d wins!\n", player);
            break;
        }

        player = player == 1 ? 2 : 1;
    }

    print_board(board);

    return 0;
}