Maurice Tutor

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About Maurice Tutor

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Expertise:
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Teaching Since: May 2017
Last Sign in: 399 Weeks Ago, 1 Day Ago
Questions Answered: 66690
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 17 Sep 2017 My Price 5.00

ways this expression

While evaluating a expression of N distinct factors i.e (A1 * A2 * ..... * An) , Chef wanted to know in how may ways this expression can be evaluated by parenthesizing two factors at a time.

Input

The first line of the input contains an integer T denoting the number of test cases, for each test case enter the string with N distinct factors (eg xyz , qwerty ,etc)

Output

For each test case, output a single line with number of ways to evaluate the given expression.

Constraints

  • 1 = T = 50
  • 1 = N = 34

Example

Input: 2 ghjk ab Output: 5 1

 

Explanation

Case 1 : expression ghjk can be evaluated in 5 ways i.e ((gh)j)k) , (g(h(jk)) , (g((hj)k)) , ((g(hj))k) & ((gh)(jk))

Case 2 : expression ab can be evaluated in single way i.e. (ab)

Answers

Maurice Tutor
(5)
Status NEW Posted 17 Sep 2017 05:09 AM My Price 5.00

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