Ratna,
This list doesn't usually do your homework. However, we will help you with key
issues. What have you tried already? Where are you stuck? Is there a certain
aspect you don't understand? (Questions like these get lots of help around
here. Informally saying "do my homework" generally doesn't.)
-Modulok-
On 4/24/11, Ratna Banjara <mast.ra...@gmail.com> wrote:
> Write a function named countRepresentations that returns the number
> of ways that an amount of money in rupees can be represented as rupee
> notes. For this problem we only use rupee notes in denominations of
> 1, 2, 5, 10 and 20 rupee notes.
>
> The signature of the function is:
> def countRepresentations(int numRupees)
>
> For example, countRepresentations(12) should return 15 because 12
> rupees can be represented in the following 15 ways.
> 1. 12 one rupee notes
> 2. 1 two rupee note plus 10 one rupee notes
> 3. 2 two rupee notes plus 8 one rupee notes
> 4. 3 two rupee notes plus 6 one rupee notes
> 5. 4 two rupee notes plus 4 one rupee notes
> 6. 5 two rupee notes plus 2 one rupee notes
> 7. 6 two rupee notes
> 8. 1 five rupee note plus 7 one rupee notes
> 9. 1 five rupee note, 1 two rupee note and 5 one rupee notes
> 10. 1 five rupee note, 2 two rupee notes and 3 one rupee notes
> 11. 1 five rupee note, 3 two notes and 1 one rupee note
> 12. 2 five rupee notes and 2 one rupee notes
> 13. 2 five rupee notes and 1 two rupee note
> 14. 1 ten rupee note and 2 one rupee notes
> 15. 1 ten rupee note and 1 two rupee note
>
> Hint: Use a nested loop that looks like this. Please fill in the
> blanks intelligently, i.e. minimize the number of times that the if
> statement is executed.
> for (int rupee20=0; rupee20<=__; rupee20++)
> for (int rupee10=0; rupee10<=__; rupee10++)
> for (int rupee5=0; rupee5<=__; rupee5++)
> for (int rupee2=0; rupee2<=__; rupee2++)
> for (int rupee1=0; rupee1<=__; rupee1++)
> {
> if (___)
> count++
> }
>
> --
> Regards,
> Ratna P Banjara
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