五子棋人机对战c++代码

以下是一个简单的五子棋人机对战的C代码示例：

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

#define ROW 15
#define COL 15

#define PLAYER 1
#define COMPUTER 2

int board[ROW][COL] = {0};

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

void print_board()
{
    int i, j;
    for (i = 0; i < ROW; ++i) {
        for (j = 0; j < COL; ++j) {
            if (board[i][j] == 0) {
                printf("+ ");
            } else if (board[i][j] == PLAYER) {
                printf("X ");
            } else if (board[i][j] == COMPUTER) {
                printf("O ");
            }
        }
        printf("\n");
    }
}

int is_win(int player)
{
    int i, j, k;
    for (i = 0; i < ROW; ++i) {
        for (j = 0; j < COL; ++j) {
            if (board[i][j] == player) {
                for (k = 0; k < 5; ++k) {
                    if (i+k < ROW && board[i+k][j] == player && 
                        i+k-4 >= 0 && board[i+k-4][j] == player) {
                        return 1;
                    }
                    if (j+k < COL && board[i][j+k] == player &&
                        j+k-4 >= 0 && board[i][j+k-4] == player) {
                        return 1;
                    }
                    if (i+k < ROW && j+k < COL && board[i+k][j+k] == player &&
                        i+k-4 >= 0 && j+k-4 >= 0 && board[i+k-4][j+k-4] == player) {
                        return 1;
                    }
                    if (i+k < ROW && j-k >= 0 && board[i+k][j-k] == player &&
                        i+k-4 >= 0 && j-k+4 < COL && board[i+k-4][j-k+4] == player) {
                        return 1;
                    }
                }
            }
        }
    }
    return 0;
}

int get_score(int player)
{
    int i, j, k;
    int score = 0;
    for (i = 0; i < ROW; ++i) {
        for (j = 0; j < COL; ++j) {
            if (board[i][j] == player) {
                for (k = 0; k < 5; ++k) {
                    if (i+k < ROW && board[i+k][j] == player &&
                        i+k-1 >= 0 && i+k+1 < ROW && board[i+k-1][j] == 0 && board[i+k+1][j] == 0) {
                        score += 100;
                    }
                    if (j+k < COL && board[i][j+k] == player &&
                        j+k-1 >= 0 && j+k+1 < COL && board[i][j+k-1] == 0 && board[i][j+k+1] == 0) {
                        score += 100;
                    }
                    if (i+k < ROW && j+k < COL && board[i+k][j+k] == player &&
                        i+k-1 >= 0 && j+k-1 >= 0 && i+k+1 < ROW && j+k+1 < COL &&
                        board[i+k-1][j+k-1] == 0 && board[i+k+1][j+k+1] == 0) {
                        score += 100;
                    }
                    if (i+k < ROW && j-k >= 0 && board[i+k][j-k] == player &&
                        i+k-1 >= 0 && j-k+1 < COL && i+k+1 < ROW && j-k-1 >= 0 &&
                        board[i+k-1][j-k+1] == 0 && board[i+k+1][j-k-1] == 0) {
                        score += 100;
                    }
                }
            }
        }
    }
    return score;
}

int get_position(int *x, int *y)
{
    int i, j;
    int max_score = 0;
    int score;
    for (i = 0; i < ROW; ++i) {
        for (j = 0; j < COL; ++j) {
            if (board[i][j] == 0) {
                score = get_score(COMPUTER);
                if (score > max_score) {
                    max_score = score;
                    *x = i;
                    *y = j;
                }
            }
        }
    }
    return max_score;
}

void player_move()
{
    int x, y;
    do {
        printf("Your turn (x,y): ");
        scanf("%d,%d", &x, &y);
    } while (x < 0 || x >= ROW || y < 0 || y >= COL || board[x][y] != 0);
    board[x][y] = PLAYER;
}

void computer_move()
{
    int x, y;
    get_position(&x, &y);
    board[x][y] = COMPUTER;
    printf("Computer move: (%d,%d)\n", x, y);
}

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

这个代码实现了五子棋的基本功能，包括初始化棋盘、打印棋盘、判断胜负、评估落子位置和人机轮流下棋等。您可以在此基础上进行更复杂的优化和扩展。