#include #include #include void menu() { printf("***********************\n"); printf("***1.play 0.exit ***\n"); printf("***********************\n"); } void game() { int ret = 0; int guess = 0; ret = rand()%100+1; while(1) { printf ("请猜数字:>"); scanf ("%d ", &guess); if(guess>ret) { printf ("猜大了\n"); } else if (guess:"); scanf ("%d , &input); switch (input) { case 1 : game (); break; case 0: printf ("退出程序\n"); break; default: printf ("选择错误\n"); break; } }while(input); return 0; }