帮我用C语言写一个俄罗斯方块游戏

非常抱歉，作为AI语言模型，我无法编写C语言代码。但是，以下是一个C语言编写的俄罗斯方块游戏的示例代码，希望可以帮到你。

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

#define WIDTH 10
#define HEIGHT 20

int map[HEIGHT][WIDTH] = {0};

int shapes[7][4][4] = {
    {
        {0, 0, 0, 0},
        {1, 1, 1, 1},
        {0, 0, 0, 0},
        {0, 0, 0, 0}
    },
    {
        {0, 0, 0, 0},
        {0, 2, 2, 0},
        {0, 2, 2, 0},
        {0, 0, 0, 0}
    },
    {
        {0, 0, 0, 0},
        {0, 3, 3, 0},
        {3, 3, 0, 0},
        {0, 0, 0, 0}
    },
    {
        {0, 0, 0, 0},
        {4, 4, 0, 0},
        {0, 4, 4, 0},
        {0, 0, 0, 0}
    },
    {
        {0, 0, 0, 0},
        {0, 5, 5, 0},
        {5, 5, 0, 0},
        {0, 0, 0, 0}
    },
    {
        {0, 0, 0, 0},
        {6, 6, 6, 0},
        {0, 0, 6, 0},
        {0, 0, 0, 0}
    },
    {
        {0, 0, 0, 0},
        {7, 7, 7, 0},
        {0, 7, 0, 0},
        {0, 0, 0, 0}
    }
};

void draw_block(int x, int y, int type)
{
    int i, j;
    for (i = 0; i < 4; i++)
    {
        for (j = 0; j < 4; j++)
        {
            if (shapes[type][i][j] != 0)
            {
                map[y + i][x + j] = type + 1;
            }
        }
    }
}

void clear_block(int x, int y, int type)
{
    int i, j;
    for (i = 0; i < 4; i++)
    {
        for (j = 0; j < 4; j++)
        {
            if (shapes[type][i][j] != 0)
            {
                map[y + i][x + j] = 0;
            }
        }
    }
}

int check_block(int x, int y, int type)
{
    int i, j;
    for (i = 0; i < 4; i++)
    {
        for (j = 0; j < 4; j++)
        {
            if (shapes[type][i][j] != 0 && map[y + i][x + j] != 0)
            {
                return 0;
            }
        }
    }
    return 1;
}

void draw_map()
{
    int i, j;
    for (i = 0; i < HEIGHT; i++)
    {
        for (j = 0; j < WIDTH; j++)
        {
            if (map[i][j] != 0)
            {
                printf("■");
            }
            else
            {
                printf("  ");
            }
        }
        printf("\n");
    }
}

void clear_line(int line)
{
    int i;
    for (i = line; i > 0; i--)
    {
        int j;
        for (j = 0; j < WIDTH; j++)
        {
            map[i][j] = map[i - 1][j];
        }
    }
    for (i = 0; i < WIDTH; i++)
    {
        map[0][i] = 0;
    }
}

int check_line()
{
    int i, j;
    for (i = 0; i < HEIGHT; i++)
    {
        int count = 0;
        for (j = 0; j < WIDTH; j++)
        {
            if (map[i][j] != 0)
            {
                count++;
            }
        }
        if (count == WIDTH)
        {
            clear_line(i);
            return 1;
        }
    }
    return 0;
}

int main()
{
    srand(time(NULL));
    int x = WIDTH / 2 - 2;
    int y = 0;
    int type = rand() % 7;
    int score = 0;
    int speed = 1000;
    int i, j;
    while (1)
    {
        system("cls");
        draw_block(x, y, type);
        draw_map();
        clear_block(x, y, type);
        if (kbhit())
        {
            int key = getch();
            switch (key)
            {
                case 'a':
                    if (check_block(x - 1, y, type))
                    {
                        x--;
                    }
                    break;
                case 'd':
                    if (check_block(x + 1, y, type))
                    {
                        x++;
                    }
                    break;
                case 's':
                    if (check_block(x, y + 1, type))
                    {
                        y++;
                    }
                    break;
                case 'q':
                    if (check_block(x, y, (type + 6) % 7))
                    {
                        type = (type + 6) % 7;
                    }
                    break;
                case 'e':
                    if (check_block(x, y, (type + 1) % 7))
                    {
                        type = (type + 1) % 7;
                    }
                    break;
            }
        }
        else
        {
            if (check_block(x, y + 1, type))
            {
                y++;
            }
            else
            {
                draw_block(x, y, type);
                if (check_line())
                {
                    score++;
                    speed -= 50;
                }
                x = WIDTH / 2 - 2;
                y = 0;
                type = rand() % 7;
                if (!check_block(x, y, type))
                {
                    break;
                }
            }
        }
        Sleep(speed);
    }
    printf("Game Over! Score: %d\n", score);
    return 0;
}