Data Structures and Algorithms in C++
Data Structures and Algorithms in C++
2nd Edition
ISBN: 9780470383278
Author: Michael T. Goodrich
Publisher: Wiley, John & Sons, Incorporated
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Chapter 4, Problem 5C

Explanation of Solution

Recursive algorithm that finds two integers in A that sum to “k”:

Algorithm findTwoInteger(A[],loop, loop1, k):

    Input: An array “A” and the variable “k”.

    Output: The Boolean value true, if the total of two integers is equal to “k”...

Explanation of Solution

Running time of the algorithm:

  • The function “findTwoInteger()” is called recursively and hence the size is decremented by “1”.
  • The runtime is “O(1)” for each call on the function “findTwoInteger()”.
  • Hence, the runtime “T(n)” is as follows,

T(n)

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