Use String in Switch

[Nison]

How does this work? I want to make a case in which the character A is given.

#include <iostream>
#include <string>
using namespace std;

int main()
{
    string code;
    string number="";
    int sz;

    cin >> code;
    sz = code.size();

    for(int i=0;i>sz;i++)
    {
        switch(code[i])
        case "A" : number=number+'10'; break; //Error here!
    }
    cout << number << endl;
return 0;
}

[wildblue]

Did you mean to have i < sz here in the for loop?
for(int i=0;i>sz;i++)

If you're looking for a character, use single quotes in the case 'A'.

What are you meaning to do here? number=number+'10'

[Nison]

Did you mean to have i < sz here in the for loop?
for(int i=0;i>sz;i++)

No. Why would i?

What are you meaning to do here? number=number+'10'

To add the characters 1 and 0 to the number string.

[wildblue]

Let's say I enter "Apple". sz would be 5. So for i starting at 0, i is not greater than sz or 5, so the code in the for loop will never execute.

To add the characters 1 and 0 to the number string.

So make that a string "10" to append.

And you may need to put each case block in the switch within { } so the break statement doesn't break out of the for loop.

[Nison]

Let's say I enter "Apple". sz would be 5. So for i starting at 0, i is not greater than sz or 5, so the code in the for loop will never execute.

Yes, sorry. Hard to focus right now.

And you may need to put each case block in the switch within { } so the break statement doesn't break out of the for loop.

It gives me an error when i do it like this:

switch(code[i])
        {
        case 'A' : number=number+"10"; break;
        case 'B' : number=number+"11"; break;
        case 'C' : number=number+"12"; break;
        }
        

Works fine like that. Thanks!

[dhayden]

And you may need to put each case block in the switch within { } so the break statement doesn't break out of the for loop.

No, break will break out of the nearest enclosing, switch, for, while, or do statement, regardless of whether it's inside {}.