#include<stdio.h>#include<windows.h>#include<time.h>void menu(){ printf("#######################/n"); printf("#    1 Play    #/n"); printf("#    0 Exit    #/n"); printf("#######################/n");}void Play(){ int m = 0; int random = rand() % 100 + 1; while (1) { printf("請輸入一個數字:/n"); scanf_s("%d", &m); if (m == random){  printf("你猜對了/n");  break; } else if (m > random){  printf("你猜大了，請重新輸入！"); } else{  printf("你猜小了，請重新輸入！"); } }} int main() { srand((unsigned)time(NULL)); int select = 0; do { menu(); printf("請選擇："); scanf_s("%d", &select); switch (select) { case 1:  Play();  break; case 0:  printf("ByeBye!/n");  break; default:  printf("輸入錯誤，請重新輸入！/n");  break; } } while (select); system("pause"); return 0;}