Files

30-days-of-code-july
30-days-of-code-june
- 01.invertTree.cpp
- 02.deleteNodeInLinkedList.cpp
- 03.twoCityScheduling.cpp
- 04.reverseString.cpp
- 05.randomPickWithWeights.cpp
- 06.queueReconstructionByHeight.cpp
- 07.coinChange2.cpp
- 08.isPowerOf2.cpp
- 09.isSubsequence.cpp
- 10.searchInsertPosition.cpp
- 11.sortColors.cpp
- 12.insertDeleteGetRandom.cpp
- 13.largestDivisibleSubset.cpp
- 14.cheapestFlightsWithKStops.cpp
- 15.searchInBST.cpp
- 17.surroundedRegions.cpp
- 18.hIndex-ii.cpp
- 19.longestDuplicateSubstring.cpp
- 20.permutationSequence.cpp
- 21.dungeonGame.cpp
- 22.singleNumberII.cpp
- 23.countCompleteTreeNodes.cpp
- 24.uniqueBST.cpp
- 25.findDuplicateNumber.cpp
- 26.sumRootToLeafNumbers.cpp
- 28.reconstructItinerary.cpp
- 29.uniquePaths.cpp
- 30.wordSearchII.cpp
30-days-of-code-may
amazon
01matrix.py
132_pattern.cpp
3_sum.cpp
3_sum_closest.py
3sum_multiplicity.cpp
4_sum.cpp
README.md
add_and_search_word.cpp
add_one_row_to_tree.cpp
add_two_number_ii.cpp
add_two_numbers.cpp
all_ancestors_of_node_binary_tree.cpp
all_elements_in_bst.cpp
allocate_minimum_number_of_pages.cpp
alphabet_to_integer_mapping.cpp
alternatingCharacters.py
arrangeCoins.cpp
array_of_doubled_pairs.cpp
as_far_from_land_as_possible.cpp
atoi.cpp
atoi.py
average_of_levels.py
backspace_compare_strings.py
best_time_to_buy_sell_stock_ii.cpp
best_time_to_buy_sell_stock_iii.cpp
best_time_to_buy_sell_stock_iv.cpp
binary_tree_all_paths.cpp
binary_tree_tilt.py
boats_to_rescue.py
boats_to_save_people.cpp
bottom-most_left_val_binary_tree.cpp
bottom_view_binary_tree.cpp
boundaryOfBinaryTree.cpp
browser_history.cpp
bst_iterator.cpp
bst_to_greater_tree.cpp
buddy_strings.cpp
bulls_and_cows.py
burst_balloons.cpp
buy_sell_with_cooldown_dp.cpp
buy_sell_with_transaction_fee.cpp
can_make_palin_substr.cpp
candy_swap.py
capacity_to_ship_within_d_days.cpp
car_pooling.cpp
celebrity_problem.cpp
cheapest_flights_with_k_stops.cpp
check_completeness_of_binary_tree.cpp
check_ugly.py
cherry_pickup_ii.cpp
cinema_seat_allocation.py
climbing_stairs.cpp
clone_graph.cpp
closest_value_in_bst.cpp
coinChangeMinimumNumberOfCoins.cpp
coinChangeNumberOfWays.cpp
combination_sum.cpp
combination_sum3.cpp
combination_sum_ii.cpp
combination_sum_iii.cpp
combinations.cpp
common_characters.py
compare_version_numbers.cpp
complement_of_base_10.cpp
constructStringFromBinaryTree.cpp
construct_bst_from_preorder_traversal.cpp
construct_tree_from_inorder_levelorder.cpp
construct_tree_from_inorder_postorder.cpp
construct_tree_from_inorder_preorder.cpp
container_with_max_water.py
contains_duplicate_ii.cpp
continuous_subarray_sum.cpp
convert_ binary_tree_to_doubly_linked_list.cpp
convert_binary_tree_to_circular_doubly_linked_list.cpp
convert_binary_tree_to_linked_list.cpp
convert_bst_to_greater_tree.cpp
convert_ll_to_binary_number.cpp
convert_sorted_array_to_binary_search_tree.cpp
copy_list_with_random_ptr.cpp
countConsistentStrings.cpp
count_and_say.cpp
count_good_meals.cpp
count_negative_in_2d.cpp
count_number_of_teams.cpp
count_palindromic_substrings.py
count_substrings_k_distinct_characters.py
counting_bits.cpp
course_schedule.cpp
course_schedule_ii.cpp
course_schedule_iv.cpp
cousins_binary_tree.cpp
daily_temperatures.cpp
decode_str.py
decode_string.cpp
decode_ways.cpp
deepest_sum_leaves.cpp
defragmenting_ip_address.cpp
delete_and_earn.py
demolition_robot_amazonq1.py
design_front_middle_back_queue.cpp
design_hashset.py
design_stack_with_increment_operation.cpp
design_twitter.cpp
detect_capital.cpp
diagonal_traversal_binary_tree.py
diagonal_traverse.cpp
diameter_0f_binary_tree.cpp
distant_barcodes.cpp
distribute_candies_to_people.cpp
distribute_coins_binary_tree.cpp
duplicate_zeros.py
evaluate_reverse_polish_notation.cpp
excel_sheet_column_number.cpp
find_all_anagrams_of_substring.cpp
find_all_pairs_that_satisfy_four_element_sum.cpp
find_critical_connections_in_network.cpp
find_disappeared_number.py
find_duplicate_number.cpp
find_duplicates_file_system.py
find_elements_in_contaminated_binary_tree.py
find_first_missing_positive.cpp
find_median_from_stream.cpp
find_mode_binary_search_tree.cpp
find_next_right_node_binary_tree.cpp
find_next_right_ptr_ii.cpp
find_original_array_from_doubled_array.cpp
find_peak_element.cpp
find_right_interval.cpp
find_smallest_set_of_vertices.cpp
find_the_difference.py
find_words_formed_by_characters.cpp
first_and_last_element_of_target.cpp
first_bad_version.cpp
flatten_binary_tree.py
flatten_nested_list_iterator.cpp
flip_equivalent.cpp
flippin_an_image.py
flipping_matrix.cpp
floodfill_bfs.cpp
furthest_building_reach_possible.cpp
game_of_life.cpp
gas_station.cpp
generate_parentheses.cpp
gride_search.cpp
group_anagrams.py
hamming_distance.cpp
happy_numbers.cpp
hashcode_2020.py
hashcode_more_pizza.cpp
heaters.cpp
height_checker.py
hello_world.cpp
hello_world.py
house_robbers.cpp
house_robbers_a2.cpp
implement_own_iota.cpp
implement_trie_prefix_tree.cpp
increasing_triplet_subsequence.cpp
inorder_binary_traversal_variant.cpp
inorder_predecessor_in_bst.cpp
inorder_successor_in_bst.cpp
insertDeleteGetRand.cpp
insert_interval.cpp
insert_into_bst.cpp
integer_to_roman.cpp
interleaving_string.py
intersection_of_2_arrays.py
is_graph_bipartite.cpp
is_stretchy.cpp
is_subtree.cpp
is_valid_bst.cpp
island_perimeter.cpp
isomorphic_strings.py
iterator_for_combination.cpp
jewels_and_stones.cpp
jump_game.cpp
jump_game_ii.cpp
jump_game_iv.cpp
jumpy_game.cpp
k_closest_elements.cpp
k_pairs_with_smallest_sums.cpp
k_weakest_rows_in_matrix.cpp
keys_and_rooms.cpp
koko_eating_bananas.cpp
kth_closest_point_to_origin.cpp
kth_grammar.py
kth_largest_element_in_array.cpp
kth_largest_element_in_stream.cpp
kth_smallest_bst.cpp
kth_smallest_element_in_sorted_matrix.cpp
kth_smallest_in_multiplication.cpp
largest_area_under_histogram.cpp
largest_merge_of_two_strings.cpp
largest_odd_number_in_string.py
largest_subarray_with_zero_sum.cpp
last_stone_weight.cpp
lca_binarytree.py
lca_in_bst.py
leaf_similar_trees.py
leaves_to_dll.cpp
left_view_of_binary_tree.cpp
length_of_last_word.cpp
letter_case_permutations.cpp
letter_combinations_of_phone_number.py
linkedlist_components.cpp
ll_random_node.cpp
long_pressed_name.cpp
longest_common_prefix.cpp
longest_common_sequence.py
longest_common_subsequence.cpp
longest_happy_strings.cpp
longest_harmonic_sequence.cpp
longest_increasing_path_in_matrix.cpp
longest_increasing_subsequence.cpp
longest_k_unique_chars.py
longest_palindrome.py
longest_palindromic_subsequence.cpp
longest_palindromic_substring.cpp
longest_repeated_character_replacement.py
longest_string_chain.cpp
longest_substr_with_k_distinct_chars.cpp
longest_substr_without_repeating.py
longest_valid_parentheses.py
lowest_common_subsequence(common_child).cpp
lru_cache.cpp
majority_element.cpp
majority_element.py
majority_element_ii.cpp
making_a_large_island.cpp
matchsticks_to_squares.cpp
max_are_under_histogram.cpp
max_area_of_island.cpp
max_chunks_to_make_sorted.cpp
max_chunks_to_make_sorted_ii.cpp
max_consecutive_ones.cpp
max_depth.py
max_depth_nary_tree.cpp
max_distance_to_closest_person.cpp
max_increase_to_keep_city_skyline.cpp
max_length_of_repeated_subarray.cpp
max_level_sum_binary_tree.cpp
max_network_rank.cpp
max_path_sum.cpp
max_product_of_length_of_two_palindromic_sequences.py
max_product_subarray.cpp
max_product_two_elements_in_array.cpp
max_products_word_length.py
max_score_from_removing_stones.cpp
max_value_after_insertion.cpp
maximal_rectangle.cpp
maximal_square.cpp
maximum_binary_tree.cpp
maximum_binary_tree_2.cpp
maximum_of_minimum_for_every_window_size.cpp
maximum_width_of_binary_tree.py
meeting_rooms.cpp
merge_2_binary_trees.cpp
merge_2_sorted_lists.cpp
merge_in_between_linked_lists.cpp
merge_intervals.cpp
merge_k_sorted_lists_vectorised.cpp
minCostClimbingStairs.cpp
min_absolute_difference.cpp
min_cost_to_reach_stones.cpp
min_deletions_to_make_frequencies_unique.cpp
min_index_sum.py
min_index_sum_of_two_lists.py
min_operations_reduce_x_to_zero.cpp
min_stack_o(1).cpp
min_steps_to_reach_destination_knight.cpp
min_time_taken_to_burn_tree.cpp
min_time_visiting_all_points.cpp
min_window_substring.cpp
minimum_absolute_difference_bst.cpp
minimum_add_to_make_parantheses_valid.cpp
minimum_costs_for_tickets.cpp
minimum_days_to_make_m_bouquets.cpp
minimum_depth_binary_tree.cpp
minimum_distance_between_nodes.cpp
minimum_domino_rotations.cpp
minimum_edit_distance.cpp
minimum_operations_to_convert_number.cpp
minimum_path_sum.cpp
minimum_steps_to_reach_target.cpp
minimum_steps_to_treasure_island.py
monotone_increasing_digits.cpp
monotonic_array.cpp
most_stones_removed_with_same_row_or_column.cpp
move_zeros.cpp
multiply_strings.cpp
n-ary_level_order_traversal.cpp
n-ary_preorder_traversal.cpp
network_delay_time.cpp
next_greater_element_i.cpp
next_greater_element_ii.cpp
next_greater_element_iii.cpp
no_of_subarr_with_bounded_max.cpp
non_decreasing_array.cpp
non_overlapping_intervals.cpp
nqueens.cpp
nth_ugly.py
number-of-dice-rolls-with-target-sum.py
numberOfLIS.cpp
numberOfOccurrencesOfX.cpp
number_of_islands.cpp
number_of_provices.cpp
numbers_with_equal_digit_sum.cpp
occurrences_in_bigrams.cpp
oddValueCellsInMatrix.cpp
odd_even_linked_list.cpp
online_stock_span.cpp
pacific_atlantic_water_flow.cpp
pair-of-songs-divisible-by-60.cpp
palindrome_linkedlist.cpp
palindrome_number.py
palindrome_partition.cpp
palindrome_partition_ii.cpp
partition_equal_subset.cpp
partition_list.cpp
partition_to_k_equal_subsets.cpp
pascal_triangle.cpp
pascal_triangle_ii.cpp
patch_array.cpp
path_sum.cpp
path_sum_ii.cpp
path_sum_iii.cpp
path_with_min_effort.py
permutations-ii.cpp
permutations.cpp
plus_one.py
populate_next_right_ptr.cpp
power_of_four.cpp
prime_order_prioritization_amazonq2.py
prison_cells_after_n_days.cpp
product_of_all_except_self.cpp
profitable_schemes.cpp
random_point_in_nonoverlapping_rect.cpp
range_sum_in_bst.cpp
range_sum_query.cpp
recursive_digit_sum.py
reduce_array_size_to_half.cpp
reduce_operations_to_make_equal.cpp
regular_expression_matching.py
removeComments.cpp
remove_all_adjacent_from_string.cpp
remove_all_adjacent_from_string_ii.cpp
remove_duplicates_from_sorted_array.cpp
remove_duplicates_from_sorted_array_ii.cpp
remove_k_digits.cpp
remove_nth_node.py
reorder_data_in_log.py
reorder_data_in_log_files.py
reorder_linkedList_alternate_deque.cpp
reorder_list.cpp
reorder_routes_with_all_paths_to_city_zero.cpp
repeated_dna_sequences.py
replace_words.py
restore_ip_addresses.cpp
reverse-only-letters.cpp
reverse_in_groups_of_k.cpp
reverse_in_size_of_k.cpp
reverse_integer.py
reverse_level_order_traversal.cpp
reverse_linkedList_ii.cpp
reverse_words_in_string.cpp
reverse_words_in_string.py
right_view_binary_tree.cpp
robot_bounded_in_circle.cpp
robot_return_to_origin.cpp
roman_to_int.cpp
root_to_leaf_sum_binary_numbers.cpp
root_to_leaf_sum_binary_numbers.py
rotate_array.cpp
rotate_function.py
rotate_image.cpp
rotate_list.cpp
rotting_oranges.cpp
russian_doll_envelopes.cpp
score_of_parentheses.cpp
score_of_parentheses.py
search_a_2d_matrix.py
search_in_bst.cpp
search_in_rotated_sorted_array.cpp
search_in_rotated_sorted_array.py
search_in_rotated_sorted_array_ii.cpp
serialise_deserialise_bst.cpp
set_matrix_zeros.cpp
shifting_letters.cpp
shorted_unsorted_continuos_subarray.cpp
shortest_distance_between_points.cpp
shortest_path_binary_matrix.cpp
sieve_of_eranthoses.cpp
simple_text_editor.cpp
simplify_path.py
single_number.cpp
single_number_ii.cpp
skyline_problem.cpp
sliding_window_maximum.py
smallest_positive_missing_integer.cpp
smallest_string_from_leaf.cpp
smallest_string_with_swaps.py
snakes_and_ladders.cpp
snapshot_array.cpp
snapshot_array.py
sort_by_bits.cpp
sort_char_by_frequency.cpp
special_palindrome_again.py
spiral_matrix_ii.cpp
spiral_order_traversal.py
split_arary_into_3_arrays.py
split_array_consecutive_subsequences.cpp
split_array_consecutive_subsequences.py
split_linked_list_in_parts.py
sqrt.cpp
squares_of_sorted_array.cpp
stack_using_queue.cpp
stream_of_characters.cpp
string_compression.cpp
string_compression_ii.cpp
subarray_sum_equals_k.cpp
subsetSumDP.cpp
subsets.cpp
subsets_ii.cpp
substring_with_concatenation_of_all_words.py
sum_of_left_leaves.py
sum_of_mutated_array_closest_to_target.cpp
sum_of_nodes_with_even_valued.py
sum_root_to_leaf_numbers.py
super_egg_drop.cpp
super_washing_machines.cpp
surrounded_regions.py
swap_adjacent_in_LR_string.py
swap_nodes_algo.cpp
swap_nodes_in_pairs.py
swapping_nodes_in_linked_list.cpp
symmetric_tree.cpp
tallest_billboard.cpp
target_sum.cpp
task_scheduler.cpp
toeplitz_matrix.cpp
top_k_frequent_elements.py
top_k_frequent_words.cpp
top_view_binary_tree.cpp
topological_sort.py
topological_sort_using_dfs.py
transition_point.cpp
trapping_rain_water.cpp
trapping_rain_water_ii.cpp
two_sum_ii.cpp
two_sum_in_bst_iv.cpp
ugly_numbers_ii.cpp
unique-paths-ii.cpp
uniqueTwitterUserIdSet.cpp
unique_paths.cpp
validPalindrome.cpp
valid_anagram.cpp
valid_boomerang.py
valid_mountain_array.cpp
valid_number.cpp
valid_palindrome.py
valid_parantheses.py
valid_parentheses_string_3chars.cpp
valid_sudoku.cpp
valid_tic_tac_toe_state.py
validate_binary_tree_nodes.cpp
verify_alien_dict.cpp
vertical_order_traversal.cpp
water_and_jug.cpp
wiggle_subsequence.py
wildcard_matching.py
word_break.cpp
word_break_ii.cpp
word_ladder.cpp
word_ladder_ii.cpp
word_pattern.py
word_search.cpp
zigzag_conversion.py
zigzag_traversal_binary_tree_dequeue.cpp

08.isPowerOf2.cpp

avidLearnerInProgress

Added day17 solution and rearranged codebase

Jun 17, 2020

5525aac · Jun 17, 2020