C++ How to Program (10th Edition)
C++ How to Program (10th Edition)
10th Edition
ISBN: 9780134448237
Author: Paul J. Deitel, Harvey Deitel
Publisher: PEARSON
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Chapter 20, Problem 20.9E

(Recursive Binary Search) Modify Fig. 20.3 to use recursive function recursiveBinary-Search to perform a binary search of the array. The function should receive the array, the search key. starring index and ending index as arguments. If the search key is found, return its index in the array. If the search key is not found, return -1.

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Question 4: (Find the minimum value in an array) Write a program that include arecursive function “recursiveMinimum” that takes an integer array and the array size asarguments and returns the smallest element of the array. The function should stopprocessing and return when it receives an array of one element.
(Recursive Greatest Common Divisor) The greatest common divisor of integers x and y isthe largest integer that evenly divides both x and y. Write a recursive function gcd that returns thegreatest common divisor of x and y. The gcd of x and y is defined recursively as follows: If y is equalto 0, then gcd(x, y) is x; otherwise gcd(x, y) is gcd(y, x % y), where % is the remainder operator.
(GREATEST COMMON DIVISOR) The greatest common divisor of integers x and y is the largest integer that evenly divides into both x and y. Write and test a recursive function gcd that returns the greatest common divisor of x and y. The gcd of x and y is defined recursively as follows: If y is equal to 0, then gcd (x, y) is x; otherwise, gcd (x, y) is gcd (y, x % y), where % is the remainder operator.
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