My code will ask for input, but will not give output.

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1.00/5 (1 vote)

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I had to adjust my already working code to use functions. I tried to change things and it compiles, but when I input the code and title, nothing happens. There is no output.

1 */
2 #include <iostream>
3 using namespace std ;
4 int main()
5 {
6 string title ;
7 char code ;
8 int year ;
9 float cost ;
10 cout << "Enter the code of viewing and the title of the viewing. (Separated by a 11 space; either T, M, or N" << endl ;
12 cin >> code >> title ;
13 switch (code)
14 {
15 case 'T':
16 case 't':
17 string TV (char code, string title) ;
18 break ;
19 case 'N':
20 case'n':
21 string NewRel (char code, string title) ;
22 break ;
23 case 'M':
24 case 'm':
25 string Movie (char code, string title) ;
26 break ;
27 default:
28 cout << "error" << endl ;
29 }
30 return 0 ;
31 }
32 string TV (char code, string title)
33 {
34 float cost = 0 ;
35 string type = "TV" ;
36 return type ;
37 return title ;
38 return cost ;
39 }
40 string NewRel (char code, string title)
41 {
42 float cost = 6.99 ;
43 string type = "New Release" ;
44 cout << title << endl ;
45 cout << type << endl ;
46 cout << "$" << cost << endl ;
47 }
48 string Movie (char code, string title)
49 {
50 int year ;
51 float cost ;
52 string type = "Movie" ;
53 cout << "Enter year of movie" << endl ;
54 cin >> year ;
55 if (year < 1960 )
56 {
57 cost = 2.99 ;
58 cout << title << endl ;
59 cout << type << endl ;
60 cout << "$" << cost << endl ;
61 }
62 else if (year < 1980)
63 {
64 cost = 3.99 ;
65 cout << type << endl ;
66 cout << "$" << cost << endl ;
67 }
68 else if (year < 2000)
69 {
70 cost = 4.99 ;
71 cout << title << endl ;
72 cout << type << endl ;
73 cout << "$" << cost << endl ;
74 }
75 else if (year > 2000)
76 {
77 cost = 5.99 ;
78 cout << title << endl ;
79 cout << type << endl ;
80 cout << "$" << cost << endl ;
81 }
82 else
83 {
84 cout << "No movies from the year 2000." << endl;
85 }
86 }

What I have tried:

I have tried adjusting different parts. I tried to look up my question to see if anyone else has asked about the same thing. Also, sorry I didn't know how to enter this with the numbers, so I just typed them.

Posted 22-Oct-17 9:53am

Member 13479017

Updated 22-Oct-17 10:09am

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CPallini · Accepted Answer · 2017-10-22T10:09:00

Solution 1

Quote:
string TV (char code, string title)
{
float cost = 0 ;
string type = "TV" ;
return type ;
return title ;
return cost ;
}

Sorry, I can't believe the compiler (and a human either) could accept the above code: return cost; is just plain wrong, the function must return a string instead of a float.

[update]
A working (though incomplete) code

C++

#include <iostream>
using namespace std;

// .. other function declarations 
void Movie (char code, string title);

int main()
{
  string title;
  char code; 
  cout << "Enter the code of viewing and the title of the viewing. (Separated by a 11 space; either T, M, or N" << endl;
  cin >> code >> title;
  switch (code)
  { 
  //.. other cases
  case 'M':
  case 'm': 
    Movie(code, title);
  break ; 
  default: 
  cout << "error" << endl ;

} 
return 0 ;
}
// .. other function definitions
void Movie (char code, string title)
{
  int year ;
  float cost ;
  string type = "Movie" ;
  cout << "Enter year of movie" << endl ;
  cin >> year ;
  if (year < 1960 )
  {
    cost = 2.99 ;
    cout << title << endl ;
    cout << type << endl ;
    cout << "$" << cost << endl ;
  }
  else if (year < 1980)
  {
    cost = 3.99 ;
    cout << type << endl ;
    cout << "$" << cost << endl ;
  }
  else if (year < 2000)
  {
    cost = 4.99 ;
    cout << title << endl ;
    cout << type << endl ;
    cout << "$" << cost << endl ;
  }
  else if (year > 2000)
  {
    cost = 5.99 ;
    cout << title << endl ;
    cout << type << endl ;
    cout << "$" << cost << endl ;
  }
  else
  {
    cout << "No movies from the year 2000." << endl;
  }
}

[/update]

Posted 22-Oct-17 10:09am

CPallini

Updated 22-Oct-17 10:37am

v2

Comments

Member 13479017 22-Oct-17 16:14pm

Like I stated up above, I looked up and tried different things I saw online. As you can see, that was only one of the three sections I have.

CPallini 22-Oct-17 16:27pm

OK, but in order to see any output your code must compile.

Member 13479017 22-Oct-17 16:30pm

It does.

CPallini 22-Oct-17 16:38pm

Please, see my updated solution.

Member 13479017 22-Oct-17 16:48pm

I looked and changed what you did. It still is not producing an output and I am not sure why. Thank you for helping me though.

Member 13479017 22-Oct-17 16:52pm

" case 'M':
case 'm':
Movie(code, title);
break ; "

without the "void" or "string" before Movie, the code produces the error, "prog2B.cpp: In function ‘int main()’:
prog2B.cpp:24: error: expected primary-expression before ‘char’
prog2B.cpp:24: error: expected primary-expression before ‘title’
prog2B.cpp:28: error: expected primary-expression before ‘char’
prog2B.cpp:28: error: expected primary-expression before ‘title’
prog2B.cpp:32: error: expected primary-expression before ‘char’
prog2B.cpp:32: error: expected primary-expression before ‘title’"

CPallini 23-Oct-17 3:22am

My code compiles, runs, produces output, e.g.
"Enter the code of viewing and the title of the viewing. (Separated by a 11 space; either T, M, or N
M fooo
Enter year of movie
2013
fooo
Movie
$5.99"
I suggest you to cpopy my code, try it as it stands, and then modify it.

[no name] 22-Oct-17 16:30pm

A 5

Member 13479017 22-Oct-17 16:31pm

what?

[no name] 22-Oct-17 16:31pm

why?

Member 13479017 22-Oct-17 16:32pm

why what? dude, I just need help with my program.

[no name] 22-Oct-17 16:37pm

I think you got help and the only Thing I did was to Attribute a 5 to the helper. Do you think something is wrong with thta?

Member 13479017 22-Oct-17 16:41pm

Not at all, I was asking what a 5 had to do with my code because I thought you were responding to me. Sorry for misunderstanding. I changed what he said back to what I had and what the rest of them are. It did not make a difference.

[no name] 22-Oct-17 16:48pm

Don't worry, everything fine. Give him a 5 too ;)

CPallini 22-Oct-17 16:43pm

Thank you very much.