# contains "stdlib.h"
# contains "dos.h"
# contains "windows.h"
char choice 1；
void main()
{
void menue 1()；
Printf ("Welcome to Ben's homework query system!" " );
menue 1()；
}
Void menu 1 ()
{
void choice menu 1()；
Printf ("\ nPlease select the chapter you want to view according to the following list:");
Printf ("\ n no \ tChapter I \ n1\ tChapter I \ n2 \ Chapter II \ n");
Printf ("Please enter a numerical choice:");
choice menu 1()；
}
void choice menu 1()
{
choice 1 = getch()；
Switch (select 1)
{
void menu chapter 1()；
void menu chapter 2()；
void menue 1()；
case ' 1 ':menu chapter 1()； Break;
case“2”:menue chapter 2()； Break;
Default value: printf ("\ nInput error! Please re-select! \n”)，menue 1()；
}}
void menu chapter 1()
{
char choiceex
Printf ("\ nyou selected chapter %c", choice1);
Printf ("\ nPlease choose the title of this chapter now." );
Printf ("\ nPlease select a theme according to the following list:");
Printf ("\ nNo .. \ tthe title is no. \ n1\ t1\ N2 \ tQuestion 2 \ n ");
Printf ("Please select:");
Switch (choiceex=getch ())
{
void c 1 _ 1()；
void c 1 _ 2()；
case ' 1 ':c 1 _ 1()； Break;
Case "2": c1_ 2 (); Break;
Default value:
Printf ("\ nYou idiot! This may also be wrong! I won't let you get re-elected! ”);
Printf ("\ nPress any key to exit!" );
getch()；
Exit (0);
}
}
Void menu Chapter 2 ()
{
char choiceex
Printf ("\ nyou selected chapter %c", choice1);
Printf ("\ nPlease choose the title of this chapter now." );
Printf ("\ nPlease select a theme according to the following list:");
Printf ("\ nNo .. \ tthe title is no. \ n1\ t1\ N2 \ tQuestion 2 \ n ");
Printf ("\ nPlease select:");
Switch (choiceex=getch ())
{
void C2 _ 1()；
void C2 _ 2()；
case ' 1 ':C2 _ 1()； Break;
Case "2": C2 _ 2 (); Break;
Default value:
Printf ("\ nYou idiot! This may also be wrong! I won't let you get re-elected! ”);
Printf ("\ nPress any key to exit!" );
getch()；
Exit (0);
}
}
void c 1_ 1()
{
char howtorun
Printf ("Please select the inspection method now:");
Printf ("\ nNo \ tCheck method \ n1\ tRun the program \ n2 \ View the source code \ n3 \ Return to the main menu \ n4 \ Exit the program \ n");
Printf ("Please select:");
switch(howtorun=getch())
{
void runc 1 _ 1()；
void menue 1()；
case ' 1 ':runc 1 _ 1()； Break;
Case '2':printf("\n "), system(" type \ \ Cai Dan \ \ Chapter1\ c1_/kloc"), printf("\n), getch (. Break;
Case "3": menue1(); Break;
Case "4": exit (0); Break;
Default value:
Printf ("The program is coming to an end! Ha ha ha ... ");
Printf ("Press any key to end the program!" );
getch()；
Exit (0);
}}
void c 1_2()
{
Printf("c 1_2 is ok! " );
}void c2_ 1()
{
Printf("c2_ 1 is OK! " );
}void c2_2()
{
Printf("c2_2 is OK! " );
}
void runc 1_ 1()
{
int a，b，max
Printf ("\ nPlease enter two integers:");
printf("a=？ ，b=？ \ n ")；
Scanf("%d, %d ",& i, & amp);
max = a & gtb？ A: b;
Printf ("Maximum quantity is %d", max);
}
That's probably what I did. .