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# Quiz: Algorithms Mock Tests on Backtracking

## Quiz: Algorithms Mock Tests on Backtracking The quiz contains information about Backtracking Algorithms. Backtracking is a general algorithm for finding all solutions to some computational problems, notably constraint satisfaction problems, that incrementally builds candidates to the solutions, and abandons a candidate as soon as it determines that the candidate cannot possibly be completed to a valid solution What is backtracking and why it is required? The Backtracking is an algorithmic-method to solve a problem with an additional way. It uses a recursive approach to explain the problems. We can say that the backtracking is needed to find all possible combination to solve an optimization problem.

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## Backtracking is a general algorithm for finding all solutions to

computational problems
Database managment

## Backtracking algorithm is known as -

Listing method
depth-first search
LIFO

## Which is the classic textbook example of the use of backtracking?

Kingdoms time
Three king world
Eight queens puzzle

charts
tables
puzzles

## Backtracking is considered as a great technique for parsing and also forms the basis of many logic-

programming languages
Apps
Nodes

submission
recursion
insertion

Fixer
Netsar
Prolog

L. K. Noman
D. H. Lehmer
M. J Hofman

in 1971
in 1960
in 1950

Deletes
Inserts
Returns

## The backtracking also considered as a method of exhaustive search using-

lists
search trees
divide and conquer.

## Which one is a disadvantage of backtracking?

A lot of redundant work
Dynamic
Depth-first search

## Backtracking depends on user-given ..................... that define the problem to be solved.

nodes
timeframe
black box procedures

2
6
3

(nroot)t
bt(root(P))
l(root)n