main() { char a; printf("Chose any of the following:\na) Question 1\tc) Question 3\nb) Question 2\td) Question 4\n\nEnter here:"); scanf("%c", &a); switch(a) { case 'a': system("cls"); question1(); break; } }
main(){ int ch; printf("1. Thong tin chi tiet khach hang. "); printf("\n2. Thong tin su dung dien thoai"); printf("\n3. Hoa don hang thang"); printf("\n4. Bao cao ca nam"); printf("\n5. Bao cao 3 thang cao nhat(bonus)"); printf("\n6. Thoat"); struct sudung p[12]; do{ printf("\nNhap vao su lua chon : "); scanf("%d",&ch); switch(ch){ case 1: question1(); break; case 2: question2(p); break; case 3: question3(p); break; case 6: exit(0); } }while(1); getch(); }