Binary search, Computer Engineering

Assignment Help:

Binary Search

Now that the basic framework is working, it is time to begin implementing a few alternative search functions. Each of these search algorithms have strengths and weaknesses, depending on the distribution of the input and the search keys used. The classic solution to this problem is binary search. Binary search is a divide-and-conquer algorithm. See Levitin [2007] pp 162 for a detailed description of this algorithm.

ALGORITHM BinarySearch (A[0 . . . n - 1], k)
// Non-recursive binary search in an ordered list.
// INPUT : An array A[0 . . . n - 1] of ordered elements, and a search key k.
// OUTPUT : an index to the position of k in A if k is found or -1 otherwise.
1: l ← 0; r ← n - 1
2: while l ≤ r do
3: m ← ⌊(l + r)/2⌋
4: if A[m] = k then
5: return m
6: else if k < A[m] then
7: r ← m- 1
8: else

9: l ← m+ 1

10: return -1

Algorithm BinarySearch shows the pseudocode for this solution. Implement the algorithm.


Related Discussions:- Binary search

Procedures relating to the deployment of the server, Edith & Associates is ...

Edith & Associates is a modern law firm. They have an Internet Link that is an ADSL 8MB links from JJNET. The server they are to deploy will the main service giving  server and wil

What are the disadvantages of fcfs scheduling algorithm, What are the disad...

What are the disadvantages of FCFS scheduling algorithm as compared to shortest job first (SJF) scheduling? Disadvantages: (i) Waiting time can be huge if short requests w

Explain frame filtering, Write notes on Frame Filtering Techniques. Fr...

Write notes on Frame Filtering Techniques. Frame filtering: The most valuable function performed through bridges is frame filtering. A bridge doesn't forward a frame unles

Read after write and write after write - data hazards, RAW  and WAW - Data ...

RAW  and WAW - Data hazards: RAW (read after write) - j tries to read a source before i writes it, hence j wrongly gets the old value .This is the most usual type of

Describe all elements of a state-chart diagram, a. Initial State: The first...

a. Initial State: The first or the default state the object is in. It is indicated by a solid circle. b. State: All the states an object can go in are mentioned in this. It is

Explain the working of light pens, Explain the working of light pens Li...

Explain the working of light pens Light pens still exist, but due to several disadvantages they are not as popular as other input devices that have been developed. For example,

Distinguish between an agent system and an expert system, Problem : (a)...

Problem : (a) The concept of an agent is generally defined by listing the properties that agents exhibit. Identify and describe the properties that you would associate with th

Write a short note on pointer operators in c, Write a short note on pointer...

Write a short note on pointer operators in c Pointers (that is, pointer values) are generated with the ''address-of'' operator &, which we can also think of as the ''pointer-to

How to design a sequential circuit, A sequential circuit is signified by a ...

A sequential circuit is signified by a time sequence of external inputs, external outputs and internal flip-flop binary states. So firstly a state diagram and state table is used t

Transportation model, advantages and disadvantages of northwest corner meth...

advantages and disadvantages of northwest corner method and least cost method

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd