Problem Solving with C++ (10th Edition)
Problem Solving with C++ (10th Edition)
10th Edition
ISBN: 9780134448282
Author: Walter Savitch, Kenrick Mock
Publisher: PEARSON
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Chapter 17, Problem 3P
Program Plan Intro

Recursive Binary Search

Program Plan:

  • Include the required header files.
  • Declare the global variables.
  • Declare the function template.
  • Define main function.
    • Declare the required variables.
    • Get the array of elements.
    • Display the given display.
    • Sort the array in ascending order.
    • Display the sorted array.
    • Call the “search” function with the arguments.
    • If the “found” value is true, display the search element location. Otherwise display, “the element is not found”.
  • Define the “search” function
    • Declare the variable
    • If “first” is greater than “last”, set “found” value as “false”.
    • Otherwise find the “mid” value.
      • If the “key” value is equal to “a [mid]”, set “found” value as “true” and also set “location” as “mid”.
      • If the “key” is less than “a [mid]”, call the “search” function with the arguments.
      • Otherwise, call the “search” function with the arguments.

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