how can i do this programme using recursive programming?

Question

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- Write recursive and non-recursive functions that check parenthesis in a string.

Example:
Input string: (a(b(c)d)e)
Output: true

Posted 6-Jan-13 3:59am

marchest_21

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Sandeep Mewara 6-Jan-13 11:30am

What have you tried so faR?

ridoy 6-Jan-13 15:30pm

try to do it yourself,if face any problem then come here to share with us..

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OriginalGriff · Answer 1 · 2013-01-06T04:08:00

Since this smells lots of homework, I'll give you no code.

But, it's not complex.
Non recursive:

0) Create a integer counter , set to zero.
1) Loop through each character in the string (a foreach loop is perfect for this)
1.0) If the character is a '(', increment the count by one
1.1) If the character is a ')', decrement the count by one
2) After the loop, check the count - if it is zero, all brackets match.

Recursive:
I wouldn't use recursion for this. It's a sledgehammer to crack a simple nut...