SanjaySunil / hackerrank-problem-solving

My personal HackerRank solutions to the Problem Solving course.

Solutions to the Problem Solving topic on HackerRank

This repository contains my solutions for the HackerRank Problem Solving course. The topic is split into two domains, algorithms and data structures.

Algorithms

Warmup

Difficulty	Problem	Solution	Score Obtained	Max Score
Easy	Solve Me First	solve_me_first.py	1	1
Easy	Simple Array Sum	simple_array_sum.py	10	10
Easy	Compare the Triplets	compare_the_triplets.py	10	10
Easy	A Very Big Sum	a_very_big_sum.py	10	10
Easy	Diagonal Difference	diagonal_difference.py	10	10
Easy	Plus Minus	plus_minus.py	10	10
Easy	Staircase	staircase.py	10	10
Easy	Mini Max Sum	mini_max_sum.py	10	10
Easy	Birthday Cake Candles	birthday_cake_candles.py	10	10
Easy	Time Conversion	time_conversion.py	15	15

Implementation

Difficulty	Problem	Solution	Score Obtained	Max Score
Easy	Grading Students	grading_students.py	10	10
Easy	Apple and Orange	apple_and_orange.py	10	10
Easy	Number Line Jumps	number_line_jumps.py	10	10
Easy	Between Two Sets	between_two_sets.py	10	10
Easy	Breaking the Records	breaking_the_records.py	10	10
Easy	Cat and A Mouse	cat_and_a_mouse.py	15	15
Easy	the Hurdle Race	the_hurdle_race.py	15	15
Easy	Designer Pdf Viewer	designer_pdf_viewer.py	20	20
Easy	Divisible Sum Pairs	divisible_sum_pairs.py	10	10
Easy	Bill Division	bill_division.py	10	10
Easy	Viral Advertising	viral_advertising.py	15	15
Easy	Sequence Equation	sequence_equation.py	20	20
Easy	Utopian Tree	utopian_tree.py	20	20
Easy	Beautiful Days At the Movies	beautiful_days_at_the_movies.py	15	15
Easy	Find Digits	find_digits.py	25	25
Easy	Angry Professor	angry_professor.py	20	20
Easy	Subarray Division	subarray_division.py	10	10
Easy	Migratory Birds	migratory_birds.py	10	10
Easy	Equality In A Array	equality_in_a_array.py	20	20
Easy	Cut the Sticks	cut_the_sticks.py	25	25
Easy	Counting Valleys	counting_valleys.py	15	15
Easy	Electronics Shop	electronics_shop.py	15	15
Easy	Sock Merchant	sock_merchant.py	10	10
Easy	Jumping On the Clouds Revisited	jumping_on_the_clouds_revisited.py	15	15
Easy	Picking Numbers	picking_numbers.py	20	20
Easy	Drawing Book	drawing_book.py	10	10
Easy	Circular Array Rotation	circular_array_rotation.py	20	20
Easy	Minimum Distances	minimum_distances.py	20	20
Easy	Library-fine	library-fine.py	15	15
Easy	Repeated String	repeated_string.py	20	20
Easy	Kaprekar Numbers	kaprekar_numbers.py	30	30
Easy	Cavity Map	cavity_map.py	30	30
Medium	Extra Long Factorials	extra_long_factorials.py	20	20

Strings

Difficulty	Problem	Solution	Score Obtained	Max Score
Easy	Camelcase	camelcase.py	15	15
Easy	Strong Password	strong_password.py	15	15
Easy	Alternating Characters	alternating_characters.py	20	20
Easy	Pangrams	pangrams.py	20	20
Easy	Super Reduced String	super_reduced_string.py	10	10
Easy	Mars Exploration	mars_exploration.py	15	15
Easy	Funny String	funny_string.py	25	25
Easy	Gemstones	gemstones.py	20	20
Easy	Game-of-thrones	game-of-thrones.py	30	30
Easy	String Construction	string_construction.py	25	25
Easy	Two Strings	two_strings.py	25	25

Sorting

Difficulty	Problem	Solution	Score Obtained	Max Score
Easy	Tutorial-intro	tutorial-intro.py	30	30
Easy	Find the Median	find_the_median.py	35	35
Easy	Closest Numbers	closest_numbers.py	35	35
Easy	Insertionsort1	insertionsort1.py	30	30

Search

Difficulty	Problem	Solution	Score Obtained	Max Score
Easy	Ice Cream Parlor	ice_cream_parlor.py	30	30
Easy	Missing Numbers	missing_numbers.py	45	45

Graph Theory

Difficulty	Problem	Solution	Score Obtained	Max Score

Greedy

Difficulty	Problem	Solution	Score Obtained	Max Score
Easy	Marcs Cakewalk	marcs_cakewalk.py	15	15

Dynamic Programming

Difficulty	Problem	Solution	Score Obtained	Max Score

Constructive Algorithms

Difficulty	Problem	Solution	Score Obtained	Max Score

Bit Manipulation

Difficulty	Problem	Solution	Score Obtained	Max Score

Recursion

Difficulty	Problem	Solution	Score Obtained	Max Score
Medium	Recursive Digit Sum	recursive_digit_sum.py	30	30

Game Theory

Difficulty	Problem	Solution	Score Obtained	Max Score

Np Complete

Difficulty	Problem	Solution	Score Obtained	Max Score

Debugging

Difficulty	Problem	Solution	Score Obtained	Max Score
Easy	Strings Xor	strings_xor.py	25	25

Data Structures

Arrays

Difficulty	Problem	Solution	Score Obtained	Max Score
Easy	Array Ds	array_ds.py	10	10
Easy	Array Left Rotation	array_left_rotation.py	20	20
Easy	2d Array	2d_array.py	15	15
Medium	Sparse-arrays	sparse-arrays.py	25	25

Linked List

Difficulty	Problem	Solution	Score Obtained	Max Score
Easy	Print the Elements Of A Linked List	print_the_elements_of_a_linked_list.py	5	5
Easy	Compare Two Linked Lists	compare_two_linked_lists.py	5	5

Trees

Difficulty	Problem	Solution	Score Obtained	Max Score

Balanced Trees

Difficulty	Problem	Solution	Score Obtained	Max Score

Stacks

Difficulty	Problem	Solution	Score Obtained	Max Score

Queues

Difficulty	Problem	Solution	Score Obtained	Max Score

Heap

Difficulty	Problem	Solution	Score Obtained	Max Score

Disjoint Set

Difficulty	Problem	Solution	Score Obtained	Max Score

Multiple Choice

Difficulty	Problem	Solution	Score Obtained	Max Score

Trie

Difficulty	Problem	Solution	Score Obtained	Max Score

Advanced

Difficulty	Problem	Solution	Score Obtained	Max Score