#include <stdio.h>

int C1main();
int C2main();
int C3main();

int main(void) {
    while (1) {
        printf("\n---------------------👇题目面板👇----------------------\n");
        printf("1.进制转换\n");
        printf("2.背单词\n");
        printf("3.点歌台管理\n");
        printf("0.退出程序\n");
        printf("-----------------------👆选择对应数字👆------------------------\n");
        printf("请输入选择：");
        int opt;
        scanf("%d", &opt);
        while (getchar() != '\n');
        switch (opt) {
            case 1:
                printf("启动进制转换程序...\n");
                C1main();
                break;
            case 2:
                printf("启动背单词程序...\n");
                C2main();
                break;
            case 3:
                printf("启动点歌台管理程序...\n");
                C3main();
                break;
            case 0:
                return 0;
            default:
                printf("⚠️输入有误，请重新输入⚠️\n");
        }
    }
}