Directories ¶ Show internal Expand all Path Synopsis accounts_merge add_binary add_one_row_to_tree add_to_array_form_of_integer array_partition_1 assign_cookies asteroid_collision average_of_sliding_window basic_calculator basic_calculator_2 beautiful_arrangement_ii best_sightseeing_pair best_time_to_buy_and_sell_stock_2 best_time_to_buy_and_sell_stock_3 best_time_to_buy_and_sell_stock_4 best_time_to_buy_and_sell_stock_with_transaction_fee binary_prefix_divisible_by_5 binary_search_tree_iterator binary_tree_maximum_path_sum binary_tree_preorder_traversal binary_tree_pruning binary_tree_zigzag_level_order_traversal bricks_falling_when_hit can_place_flowers can_you_eat_your_favorite_candy_on_your_favorite_day candy capacity_to_ship_packages_within_d_days cells_with_odd_values_in_a_matrix check_if_a_word_occurs_as_a_prefix_of_any_word_in_a_sentence check_if_it_is_a_straight_line coin_change_2 combination_sum_4 complete_binary_tree_inserter contains_duplicate contains_duplicate_3 contiguous_array count_complete_tree_nodes count_of_range_sum count_primes counting_bits couples_holding_hands crawler_log_folder create_maximum_number decode_ways deepest_leaves_sum degree_of_an_array design_an_ordered_stream design_circular_deque design_hashmap design_hashset design_parking_system design_skiplist different_ways_to_add_parentheses distance_between_bus_stops distinct_subsequences dota2_senate dungeon_game evaluate_division evaluate_reverse_polish_notation fair_candy_swap fibonacci_number final_prices_with_a_special_discount_in_a_shop find_all_continuous_sequences find_all_numbers_disappeared_in_an_array find_common_characters find_critical_and_pseudo_critical_edges_in_minimum_spanning_tree find_duplicate_subtrees find_first_and_last_position_of_element_in_sorted_array find_k_closest_elements find_minimum_in_rotated_sorted_array find_minimum_in_rotated_sorted_array_2 find_pivot_index find_the_difference first_missing_positive first_unique_character_in_a_string flatten_binary_tree_to_linked_list flatten_nested_list_iterator flipping_an_image four_sum_2 freedom_trail frog_jump gas_station get_equal_substrings_within_budget group_anagrams grumpy_bookstore_owner hamming_distance house_robber_2 how_many_numbers_are_smaller_than_the_current_number implement_magic_dictionary implement_queue_using_stacks implement_strstr implement_trie_prefix_tree increasing_decreasing_string increasing_order_search_tree insert_delete_getrandom_o1_duplicates_allowed insert_interval insertion_sort_list interleaving_string intersection_of_two_arrays intersection_of_two_arrays_2 intersection_of_two_linked_lists is_graph_bipartite island_perimeter isomorphic_strings jump_game_2 k_closest_points_to_origin kth_largest_element_in_a_stream largest_divisible_subset largest_number largest_perimeter_triangle last_stone_weight lemonade_change length_of_longest_fibonacci_subsequence logical_or_of_two_binary_grids_represented_as_quad_trees long_pressed_name longest_common_prefix longest_continuous_increasing_subsequence longest_continuous_subarray_with_absolute_diff_less_than_or_equal_to_limit longest_increasing_path_in_a_matrix longest_mountain_in_array longest_repeating_character_replacement longest_substring_with_at_least_k_repeating_characters longest_turbulent_subarray longest_univalue_path majority_element_2 matrix_cells_in_distance_order max_consecutive_ones max_consecutive_ones_3 max_sum_of_rectangle_no_larger_than_k maximal_rectangle maximal_square maximum_average_subarray_1 maximum_binary_tree maximum_binary_tree_ii maximum_depth_of_binary_tree maximum_equal_frequency maximum_gap maximum_length_of_pair_chain maximum_points_you_can_obtain_from_cards maximum_product_of_three_numbers min_cost_climbing_stairs min_cost_to_connect_all_points min_in_spiral_array minimum_cost_to_move_chips_to_the_same_position minimum_distance_between_bst_nodes minimum_number_of_arrows_to_burst_balloons minimum_number_of_k_consecutive_bit_flips minimum_path_sum minimum_window_substring monotonic_array most_common_word most_stones_removed_with_same_row_or_column my_calendar_1 my_calendar_ii n_queens_2 next_greater_element_2 next_permutation non_decreasing_array non_overlapping_intervals number_of_1_bits number_of_equivalent_domino_pairs number_of_operations_to_make_network_connected number_of_provinces number_of_students_doing_homework_at_a_given_time number_of_valid_words_for_each_puzzle odd_even_linked_list offer_rebuild_sequence palindrome_linked_list palindrome_partitioning palindrome_partitioning_2 parse_lisp_expression partition_labels partition_list pascals_triangle pascals_triangle_2 patching_array path_with_minimum_effort pattern_132 permutation_in_string populating_next_right_pointers_in_each_node positions_of_large_groups power_of_four power_of_two prefix_and_suffix_search print_binary_tree queue_reconstruction_by_height rabbits_in_forest range_sum_of_bst range_sum_query_2d_immutable range_sum_query_immutable rearrange_spaces_between_words recover_a_tree_from_preorder_traversal rectangle_area redundant_connection regions_cut_by_slashes regular_expression_matching relative_sort_array remove_all_adjacent_duplicates_in_string remove_duplicate_letters remove_duplicates_from_sorted_array remove_duplicates_from_sorted_array_2 remove_duplicates_from_sorted_list remove_duplicates_from_sorted_list_2 remove_element remove_k_digits remove_linked_list_elements remove_max_number_of_edges_to_keep_graph_fully_traversable remove_nth_node_from_end_of_list reorder_list reorganize_string repeated_dna_sequences replace_words reshape_the_matrix reverse_bits reverse_linked_list_2 reverse_pairs rotate_array rotate_image rotate_list rotting_oranges russian_doll_envelopes score_after_flipping_matrix scramble_string search_a_2d_matrix search_a_2d_matrix_2 search_in_rotated_sorted_array_2 search_insert_position serialize_and_deserialize_binary_tree set_matrix_zeroes short_encoding_of_words similar_string_groups single_number_2 single_number_3 sliding_window_maximum sliding_window_median smallest_string_with_swaps sort_array_by_parity_2 sort_integers_by_the_number_of_1_bits sort_items_by_groups_respecting_dependencies sort_list special_positions_in_a_binary_matrix spiral_matrix spiral_matrix_2 split_array_into_consecutive_subsequences split_array_into_fibonacci_sequence stitch_videos stream_of_characters string_matching_in_an_array subarrays_with_k_different_integers subsets_2 substring_with_concatenation_of_all_words sum_of_square_numbers sum_root_to_leaf_numbers summary_ranges surface_area_of_3d_shapes swap_nodes_in_pairs swim_in_rising_water target_sum task_scheduler text_justification toeplitz_matrix top_k_frequent_words transform_to_chessboard transpose_matrix triangle ugly_number_2 unique_binary_search_trees unique_binary_search_trees_2 unique_number_of_occurrences unique_paths valid_anagram valid_mountain_array valid_number valid_palindrome validate_stack_sequences verify_preorder_serialization_of_a_binary_tree volume_of_histogram_lcci wiggle_subsequence word_break_2 word_ladder word_pattern Click to show internal directories. 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