Problem Solving

Challenge	Solution
Dreamoon And Wifi	dreamoon_and_wifi.py
Zuhair And Strnigs	zuhair_and_strnigs.py
Power Walking	power_walking.cpp
Customising The Track	customising_the_track.c
Stupid Submissions	stupid_submissions.cpp
Xenia And Divisors	xenia_and_divisors.py
Free Ice Cream	free_ice_cream.c
All Distinct	all_distinct.cpp
The Clock	the_clock.cpp
Wizard Duel	wizard_duel.py
Permutations	permutations.py
Sum3	sum3.cpp
Dzy Loves Chessboard	dzy_loves_chessboard.py
Odd Even Increments	odd_even_increments.cpp
Running For Gold	running_for_gold.c
Worms Evolution	worms_evolution.cpp
Iq Test	iq_test.py
Log Chopping	log_chopping.cpp
Kill The Monster	kill_the_monster.cpp
Gambling	gambling.cpp
Playoff	playoff.cpp
Eating Candies	eating_candies.cpp
Okabe And Boxes	okabe_and_boxes.cpp
Consecutive Points Segment	consecutive_points_segment.cpp
Steps	steps.c
Chat Room	chat_room.c
Unlucky Ticket	unlucky_ticket.cpp
All Are Same	all_are_same.cpp
Beautiful Substrings2	beautiful_substrings2.cpp
String Building	string_building.cpp
Where Is The Bishop	where_is_the_bishop.py
President Office	president_office.c
Boy Or Girl	boy_or_girl.py
Digit Minimization	digit_minimization.cpp
Sum Of Digits	sum_of_digits.py
Sort To 2	sort_to_2.cpp
Gcd Problem	gcd_problem.py
Copy Paste	copy-paste.cpp
Little Elephant And Function	little_elephant_and_function.py
Marathon	marathon.py
Gcd Vs Lcm	gcd_vs_lcm.cpp
Vasya And Coins	vasya_and_coins.cpp
Div Plus Mod	div_plus_mod.cpp
K String	k-string.py
Array Balancing	array_balancing.cpp
Binary Deque	binary_deque.cpp
Vlad And Candies	vlad_and_candies.cpp
Meeting	meeting.cpp
Hopscotch	hopscotch.py
Is It Rated	is_it_rated.cpp
Coin Change	coin_change.cpp
Kefa And Company	kefa_and_company.py
4sum	4sum.py
Letter Combinations Of A Phone Number	letter_combinations_of_a_phone_number.py
Swap Nodes In Pairs	swap_nodes_in_pairs.py
Longest Palindromic Substring	longest_palindromic_substring.py
Convert Sorted List To Binary Search Tree	convert_sorted_list_to_binary_search_tree.py
Mocha And Red Blue	mocha_and_red_blue.py
Moamen And Ksubarrays	moamen_and_ksubarrays.cpp
The Miracle And The Sleeper	the_miracle_and_the_sleeper.c
Maximum Cost Deletion	maximum_cost_deletion.c
Polycarp And Coins	polycarp_and_coins.cpp
Mexor Mixup	mexor_mixup.py
Exciting Bets	exciting_bets.py
Pair Programming	pair_programming.py
Love Song	love_song.c
Beautiful Matrix	beautiful_matrix.c
Dislike Of Threes	dislike_of_threes.cpp
Buy A Shovel	buy_a_shovel.c
Sum Of Digits	sum_of_digits.c
Wet Shark And Bishops	wet_shark_and_bishops.cpp
Bear And Finding Criminals	bear_and_finding_criminals.py
Routine Problem	routine_problem.cpp
Tavas And Saddas	tavas_and_saddas.cpp
Approximate Number Of Primes	approximate_number_of_primes.py
Robot Basketball	robot_basketball.py
Help Chapolin Colorado	help_chapolin_colorado.cpp
Help Chapolin Colorado	help_chapolin_colorado.py
Fhbzmips	fhbzmips.py
Merry Christmaaas	merry_christmaaas.py
Multiplication Table	multiplication_table.py
Ksenia And Pan Scales	Ksenia_and_pan_scales.py
Find The Merge Of Two Joined Linked Lists	find_the_merge_of_two_joined_linked_lists.cpp
Geometric Progression	geometric_progression.cpp
Raising Bacteria	raising_bacteria.c
Beautiful Sets Of Points	beautiful_sets_of_points.py
The Festive Evening	the_festive_evening.cpp
Minimum Ternary String	minimum_ternary_string.py
Pangram	pangram.py
Amusing Joke	amusing_joke.py
Summer Sell Off	summer_sell_off.py
Bowwow And The Timetable	bowwow_and_the_timetable.py
Largest Rectangle	largest_rectangle.cpp
Dzy Loves Physics	dzy_loves_physics.py
Defanging An Ip Address	defanging_an_ip_address.cpp
Snacktower	snacktower.cpp
Fedor And New Game	fedor_and_new_game.c
Build Tower	build_tower.py
Stripe	stripe.c
Prison Transfer	prison_transfer.py
Candies	candies.c
Doggo Recoloring	doggo_recoloring.c
Kuriyama Mirais Stones	kuriyama_mirais_stones.c
Seraja And Suffixes	seraja_and_suffixes.c
Registration System	registration_system.cpp
Tom Riddles Diary	tom_riddles_diary.cpp
Left Rotation	left_rotation.c
Die Roll	die_roll.py
Huffman Decoding	huffman_decoding.cpp
New Password	new_password.cpp
Karen And Coffee	karen_and_coffee.c
The Power Sum	the_power_sum.py
Facetook Priority Wall	facetook_priority_wall.py
Equal	equal.c
Cycle Detection	cycle_detection.cpp
Flipping The Matrix	flipping_the_matrix.cpp
Next Bigger Number With Same Digits	next_bigger_number_with_same_digits.py
Fraudulent Activity Notifications	fraudulent_activity_notifications.py
Towers	towers.py
Make It Equal	make_it_equal.cpp
Fence	fence.c
Human Readable Duration Format	human_readable_duration_format.cpp
The Coin Change Problem	the_coin_change_problem.cpp
Adding Big Numbers	adding_big_numbers.cpp
Permutations	permutations.cpp
General Patron Secret	general_patron_secret.cpp
Array Combinations	array_combinations.cpp
Matrix Script	matrix_script.py
Qheap1	qheap1.cpp
Waiter2	waiter2.cpp
Sherlock And Anagrams	sherlock_and_anagrams.cpp
Waiter	waiter.cpp
Matrix Layer Rotation	matrix_layer_rotation.cpp
Dna Health	dna_health.cpp
Connected Cell	connected_cell.py
Jim And Skyscrapers	jim_and_skyscrapers.cpp
Dna Health2	dna_health2.cpp
Lily Homework	lily_homework.cpp
Minimum Average Waiting Time	minimum_average_waiting_time.cpp
The Full Counting Sort	the_full_counting_sort.cpp
Self Balancing Tree	self_balancing_tree.cpp
Almost Sorted	almost_sorted.cpp
Pairs	pairs.cpp
Larry Array	larry_array.cpp
Contacts	contacts.py
Heaps	heaps.cpp
Super Reduced String	super_reduced_string.py
Simple Text Editor	simple_text_editor.cpp
Binary Watch	binary_watch.cpp
All Paths From Source To Target	all_paths_from_source_to_target.cpp
Areas	areas.c
Areas V2	areas_v2.py
The Flight Plan	the_flight_plan.cpp
Minimum Number Of Vertices	minimum_number_of_vertices.cpp
Find If Path Exists In Graph	find_if_path_exists_in_graph.cpp
Find Center Of Star Graph	find_center_of_star_graph.cpp
Gcd On Directed Graph	gcd_on_directed_graph.py
Benny And Some Magic	benny_and_some_magic.cpp
The Skyline Problem	the_skyline_problem.cpp
Construct Binary Tree From Preorder And Inorder Traversal	construct_binary_tree_from_preorder_and_inorder_traversal.py
Fib	fib.py
Fib2	fib2.py
Running Up Stairs	running_up_stairs.cpp
The Fast And The Curious	the_fast_and_the_curious.cpp
Contains Duplicate	contains_duplicate.cpp
Lca Of Binary Search Tree	lca_of_binary_search_tree.cpp
The Rise Of The Weird Things	the_rise_of_the_weird_things.py
Saving Ms W	saving_ms_w.cpp
Maximum Subarray	maximum_subarray.py
Trapping Rain Water	trapping_rain_water.py
Generate Parentheses	generate_parentheses.py
Unique Path	unique_path.py
Rumour	rumour.py
Polycarp And Coins	polycarp_and_coins.cpp
Network Delay Time	network_delay_time.cpp
Lonely Island2	lonely_island2.py
Lonely Island	lonely_island.py
Reverse Nodes In K Group	reverse_nodes_in_k_group.cpp
Merge Two Sorted Lists	merge_two_sorted_lists.py
Add Two Numbers	add_two_numbers.cpp
Climbing Stairs	climbing_stairs.cs
Coin Change	coin_change.py
Reverse Bits	reverse_bits.cpp
Missing Number	missing_number.cpp
House Robber Ii	house_robber_ii.cpp
Decode Ways	decode_ways.cpp
Sum Of Two Integers	sum_of_two_integers.cpp
Longest Increasing Subsequence	longest_increasing_subsequence.cpp
Longest Palindrome	longest_palindrome.cpp
Single Number	single_number.py
Subsets	subsets.cpp
Palindromic Substrings	palindromic_substrings.cpp
Max Height By Stacking	max_height_by_stacking.cpp
House Robber	house_robber.cpp