C 语言画一颗圣诞树

使用须知：测试机为 Mac，windows 下可能会需要修改

• 代码使用了 usleep()，若为 windows 可能需要修改
• 先上效果图（牛是用 cowsay 生成的）

#include 
#include 

#define ALLPE ""
#define TREE ""
#define DOOR ""

char content[10][32] = {
        " _________________ ",
        "< Merry Christmas >",
        " ----------------- ",
        "        \   ^__^",
        "         \  (oo)\_______",
        "            (__)\       )\/\",
        "                ||----w |",
        "                ||     ||"
};

int m;

// 输出第 n 层，注意索引从 1 开始
void printRowLine(int n) {
    int bottomNum = 1 + (5 * n - 1) * 2;
    int topNum = bottomNum - 12;

    for (int i = topNum; i <= bottomNum; i += 2) {
        if (n == 1 && i == 1) {
            for (int j = 0; j < ((1 + (5 * m - 1) * 2) - i) / 2; j++)
                printf("  ");
            printf("%sn", ALLPE);
            continue;
        }
        for (int j = 0; j < ((1 + (5 * m - 1) * 2) - i) / 2; j++)
            printf("  ");
        for (int j = 0; j < i; j++)
            printf("%s", TREE);
        printf("n");
        usleep(50000);
    }
}

// 输出树身
void showHead(int n) {
    m = n;
    for (int i = 1; i <= m; i++)
        printRowLine(i);
}

// 输出尾部
void printFoot() {
    for (int i = 0; i < 8; ++i) {
        usleep(50000);
        for (int j = 0; j < ((1 + (5 * m - 1) * 2) - 5) / 2; j++)
            printf("  ");
        for (int j = 0; j < 5; j++)
            printf("%s", DOOR);
        for (int j = 0; j < 15; j++)
            printf("  ");
        printf("%s", content[i]);
        printf("n");
    }
}

int main() {
    showHead(2);
    printFoot();
}