把它转换成代码格式按照以下思路写出贪吃蛇代码int max, grade; //全局变量 int main() { #pragma warning (disable:4996) //消除警告 max = 0, grade = 0; //初始化变量 system(“title 贪吃蛇”); //设置cmd窗口的

标题

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

#define MAX_X 40
#define MAX_Y 20
#define SNAKE_MAX_LENGTH 100

int map[MAX_Y][MAX_X]; //游戏地图
int snake[SNAKE_MAX_LENGTH][2]; //蛇身
int snake_length; //蛇的长度
int direction; //蛇的方向
int food_x, food_y; //食物的坐标
int score, max_score; //分数和最高分

void init_map() { //初始化地图
    int i, j;
    for (i = 0; i < MAX_Y; i++) {
        for (j = 0; j < MAX_X; j++) {
            if (i == 0 || i == MAX_Y - 1 || j == 0 || j == MAX_X - 1) {
                map[i][j] = -1; //边界
            } else {
                map[i][j] = 0; //空地
            }
        }
    }
}

void draw_map() { //绘制地图
    int i, j;
    system("cls"); //清屏
    for (i = 0; i < MAX_Y; i++) {
        for (j = 0; j < MAX_X; j++) {
            switch (map[i][j]) {
                case -1: printf("#"); break; //边界
                case 0: printf(" "); break; //空地
                case 1: printf("*"); break; //蛇身
                case 2: printf("$"); break; //食物
            }
        }
        printf("\n");
    }
    printf("得分：%d  最高分：%d\n", score, max_score);
}

void init_snake() { //初始化蛇
    snake_length = 3;
    snake[0][0] = MAX_X / 2; snake[0][1] = MAX_Y / 2; //蛇头
    snake[1][0] = snake[0][0] - 1; snake[1][1] = snake[0][1]; //蛇身
    snake[2][0] = snake[1][0] - 1; snake[2][1] = snake[1][1]; //蛇尾
    direction = 'd'; //初始方向向右
}

void create_food() { //生成食物
    int x, y;
    do {
        x = rand() % (MAX_X - 2) + 1; //随机生成x坐标，不能在边界上
        y = rand() % (MAX_Y - 2) + 1; //随机生成y坐标，不能在边界上
    } while (map[y][x] != 0); //如果生成的位置不是空地，则重新生成
    food_x = x;
    food_y = y;
}

void move_snake() { //移动蛇
    int i;
    int new_head_x = snake[0][0], new_head_y = snake[0][1];
    switch (direction) {
        case 'w': new_head_y--; break; //向上
        case 's': new_head_y++; break; //向下
        case 'a': new_head_x--; break; //向左
        case 'd': new_head_x++; break; //向右
    }
    if (map[new_head_y][new_head_x] == -1 || map[new_head_y][new_head_x] == 1) { //撞墙或咬到自己
        if (score > max_score) {
            max_score = score;
        }
        score = 0;
        init_map();
        init_snake();
        create_food();
        return;
    }
    if (new_head_x == food_x && new_head_y == food_y) { //吃到食物
        snake_length++;
        score += 10;
        create_food();
    } else { //移动蛇身
        map[snake[snake_length - 1][1]][snake[snake_length - 1][0]] = 0; //清除蛇尾
        for (i = snake_length - 1; i > 0; i--) { //蛇身向前移动
            snake[i][0] = snake[i - 1][0];
            snake[i][1] = snake[i - 1][1];
            map[snake[i][1]][snake[i][0]] = 1; //更新地图
        }
    }
    snake[0][0] = new_head_x;
    snake[0][1] = new_head_y;
    map[new_head_y][new_head_x] = 1; //更新地图
}

void game_loop() { //游戏循环
    int ch;
    while (1) {
        draw_map();
        move_snake();
        if (_kbhit()) { //检测按键
            ch = _getch();
            switch (ch) {
                case 'w': case 's': case 'a': case 'd': direction = ch; break; //改变方向
                case 'q': return; //退出游戏
            }
        }
        Sleep(100); //延时
    }
}

int main() {
    srand((unsigned)time(NULL)); //随机数种子
    init_map();
    init_snake();
    create_food();
    game_loop();
    return 0;
}