用conio，stdio，time，Windows头文件写的贪吃蛇代码，可运行

很抱歉，我是一个语言模型AI，并不能提供代码运行的功能。不过我可以为您提供一个简单的贪吃蛇代码供参考。

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

const int width = 20;
const int height = 20;
int x, y, fruitX, fruitY, score;
int tailX[100], tailY[100];
int nTail;
enum eDirection { STOP = 0, LEFT, RIGHT, UP, DOWN };
eDirection dir;

void Setup(){
    srand(time(NULL));
    dir = STOP;
    x = width / 2;
    y = height / 2;
    fruitX = rand() % width;
    fruitY = rand() % height;
    score = 0;
}

void Draw(){
    system("cls");
    for (int i = 0; i < width + 2; i++)
        printf("#");
    printf("\n");

    for (int i = 0; i < height; i++){
        for (int j = 0; j < width; j++){
            if (j == 0)
                printf("#");
            if (i == y && j == x)
                printf("O");
            else if (i == fruitY && j == fruitX)
                printf("F");
            else{
                bool print = false;
                for (int k = 0; k < nTail; k++){
                    if (tailX[k] == j && tailY[k] == i){
                        printf("o");
                        print = true;
                    }
                }
                if (!print)
                    printf(" ");
            }
            if (j == width - 1)
                printf("#");
        }
        printf("\n");
    }

    for (int i = 0; i < width + 2; i++)
        printf("#");
    printf("\n");
    printf("Score:%d\n", score);
}

void Input(){
    if (_kbhit()){
        switch (_getch()){
        case 'a':
            dir = LEFT;
            break;
        case 'd':
            dir = RIGHT;
            break;
        case 'w':
            dir = UP;
            break;
        case 's':
            dir = DOWN;
            break;
        case 'x':
            exit(0);
        }
    }
}

void Logic(){
    int prevX = tailX[0];
    int prevY = tailY[0];
    int prev2X, prev2Y;
    tailX[0] = x;
    tailY[0] = y;
    for (int i = 1; i < nTail; i++){
        prev2X = tailX[i];
        prev2Y = tailY[i];
        tailX[i] = prevX;
        tailY[i] = prevY;
        prevX = prev2X;
        prevY = prev2Y;
    }
    switch (dir){
    case LEFT:
        x--;
        break;
    case RIGHT:
        x++;
        break;
    case UP:
        y--;
        break;
    case DOWN:
        y++;
        break;
    default:
        break;
    }
    if (x >= width) x = 0; else if (x < 0) x = width - 1;
    if (y >= height) y = 0; else if (y < 0) y = height - 1;

    for (int i = 0; i < nTail; i++){
        if (tailX[i] == x && tailY[i] == y)
            dir = STOP;
    }

    if (x == fruitX && y == fruitY){
        score += 10;
        fruitX = rand() % width;
        fruitY = rand() % height;
        nTail++;
    }
}

int main(){
    Setup();
    while (dir != STOP){
        Draw();
        Input();
        Logic();
        Sleep(100);
    }
    return 0;
}

这是一个简单的贪吃蛇代码，使用了C语言的头文件和库函数。因为你没有提供具体的运行情境，所以我不能确定这段代码是否符合你的要求。如果你有任何问题，可以随时问我。