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- main/java
- g0001_0100
- s0001_two_sum
- s0002_add_two_numbers
- s0003_longest_substring_without_repeating_characters
- s0004_median_of_two_sorted_arrays
- s0005_longest_palindromic_substring
- s0006_zigzag_conversion
- s0007_reverse_integer
- s0008_string_to_integer_atoi
- s0009_palindrome_number
- s0010_regular_expression_matching
- s0011_container_with_most_water
- s0012_integer_to_roman
- s0013_roman_to_integer
- s0014_longest_common_prefix
- s0015_3sum
- s0016_3sum_closest
- s0017_letter_combinations_of_a_phone_number
- s0018_4sum
- s0019_remove_nth_node_from_end_of_list
- s0020_valid_parentheses
- s0021_merge_two_sorted_lists
- s0022_generate_parentheses
- s0023_merge_k_sorted_lists
- s0024_swap_nodes_in_pairs
- s0025_reverse_nodes_in_k_group
- s0026_remove_duplicates_from_sorted_array
- s0027_remove_element
- s0028_find_the_index_of_the_first_occurrence_in_a_string
- s0029_divide_two_integers
- s0030_substring_with_concatenation_of_all_words
- s0031_next_permutation
- s0032_longest_valid_parentheses
- s0033_search_in_rotated_sorted_array
- s0034_find_first_and_last_position_of_element_in_sorted_array
- s0035_search_insert_position
- s0036_valid_sudoku
- s0037_sudoku_solver
- s0038_count_and_say
- s0039_combination_sum
- s0040_combination_sum_ii
- s0041_first_missing_positive
- s0042_trapping_rain_water
- s0043_multiply_strings
- s0044_wildcard_matching
- s0045_jump_game_ii
- s0046_permutations
- s0047_permutations_ii
- s0048_rotate_image
- s0049_group_anagrams
- s0050_powx_n
- s0051_n_queens
- s0052_n_queens_ii
- s0053_maximum_subarray
- s0054_spiral_matrix
- s0055_jump_game
- s0056_merge_intervals
- s0057_insert_interval
- s0058_length_of_last_word
- s0059_spiral_matrix_ii
- s0060_permutation_sequence
- s0061_rotate_list
- s0062_unique_paths
- s0063_unique_paths_ii
- s0064_minimum_path_sum
- s0065_valid_number
- s0066_plus_one
- s0067_add_binary
- s0068_text_justification
- s0069_sqrtx
- s0070_climbing_stairs
- s0071_simplify_path
- s0072_edit_distance
- s0073_set_matrix_zeroes
- s0074_search_a_2d_matrix
- s0075_sort_colors
- s0076_minimum_window_substring
- s0077_combinations
- s0078_subsets
- s0079_word_search
- s0080_remove_duplicates_from_sorted_array_ii
- s0081_search_in_rotated_sorted_array_ii
- s0082_remove_duplicates_from_sorted_list_ii
- s0083_remove_duplicates_from_sorted_list
- s0084_largest_rectangle_in_histogram
- s0085_maximal_rectangle
- s0086_partition_list
- s0087_scramble_string
- s0088_merge_sorted_array
- s0089_gray_code
- s0090_subsets_ii
- s0091_decode_ways
- s0092_reverse_linked_list_ii
- s0093_restore_ip_addresses
- s0094_binary_tree_inorder_traversal
- s0095_unique_binary_search_trees_ii
- s0096_unique_binary_search_trees
- s0097_interleaving_string
- s0098_validate_binary_search_tree
- s0099_recover_binary_search_tree
- s0100_same_tree
- g0101_0200
- s0101_symmetric_tree
- s0102_binary_tree_level_order_traversal
- s0103_binary_tree_zigzag_level_order_traversal
- s0104_maximum_depth_of_binary_tree
- s0105_construct_binary_tree_from_preorder_and_inorder_traversal
- s0106_construct_binary_tree_from_inorder_and_postorder_traversal
- s0107_binary_tree_level_order_traversal_ii
- s0108_convert_sorted_array_to_binary_search_tree
- s0109_convert_sorted_list_to_binary_search_tree
- s0110_balanced_binary_tree
- s0111_minimum_depth_of_binary_tree
- s0112_path_sum
- s0113_path_sum_ii
- s0114_flatten_binary_tree_to_linked_list
- s0115_distinct_subsequences
- s0116_populating_next_right_pointers_in_each_node
- s0117_populating_next_right_pointers_in_each_node_ii
- s0118_pascals_triangle
- s0119_pascals_triangle_ii
- s0120_triangle
- s0121_best_time_to_buy_and_sell_stock
- s0122_best_time_to_buy_and_sell_stock_ii
- s0123_best_time_to_buy_and_sell_stock_iii
- s0124_binary_tree_maximum_path_sum
- s0125_valid_palindrome
- s0126_word_ladder_ii
- s0127_word_ladder
- s0128_longest_consecutive_sequence
- s0129_sum_root_to_leaf_numbers
- s0130_surrounded_regions
- s0131_palindrome_partitioning
- s0132_palindrome_partitioning_ii
- s0133_clone_graph
- s0134_gas_station
- s0135_candy
- s0136_single_number
- s0137_single_number_ii
- s0138_copy_list_with_random_pointer
- s0139_word_break
- s0140_word_break_ii
- s0141_linked_list_cycle
- s0142_linked_list_cycle_ii
- s0143_reorder_list
- s0144_binary_tree_preorder_traversal
- s0145_binary_tree_postorder_traversal
- s0146_lru_cache
- s0147_insertion_sort_list
- s0148_sort_list
- s0149_max_points_on_a_line
- s0150_evaluate_reverse_polish_notation
- s0151_reverse_words_in_a_string
- s0152_maximum_product_subarray
- s0153_find_minimum_in_rotated_sorted_array
- s0154_find_minimum_in_rotated_sorted_array_ii
- s0155_min_stack
- s0160_intersection_of_two_linked_lists
- s0162_find_peak_element
- s0164_maximum_gap
- s0165_compare_version_numbers
- s0166_fraction_to_recurring_decimal
- s0167_two_sum_ii_input_array_is_sorted
- s0168_excel_sheet_column_title
- s0169_majority_element
- s0171_excel_sheet_column_number
- s0172_factorial_trailing_zeroes
- s0173_binary_search_tree_iterator
- s0174_dungeon_game
- s0175_combine_two_tables
- s0176_second_highest_salary
- s0177_nth_highest_salary
- s0178_rank_scores
- s0179_largest_number
- s0180_consecutive_numbers
- s0181_employees_earning_more_than_their_managers
- s0182_duplicate_emails
- s0183_customers_who_never_order
- s0184_department_highest_salary
- s0185_department_top_three_salaries
- s0187_repeated_dna_sequences
- s0188_best_time_to_buy_and_sell_stock_iv
- s0189_rotate_array
- s0190_reverse_bits
- s0191_number_of_1_bits
- s0192_word_frequency
- s0193_valid_phone_numbers
- s0194_transpose_file
- s0195_tenth_line
- s0196_delete_duplicate_emails
- s0197_rising_temperature
- s0198_house_robber
- s0199_binary_tree_right_side_view
- s0200_number_of_islands
- g0201_0300
- s0201_bitwise_and_of_numbers_range
- s0202_happy_number
- s0203_remove_linked_list_elements
- s0204_count_primes
- s0205_isomorphic_strings
- s0206_reverse_linked_list
- s0207_course_schedule
- s0208_implement_trie_prefix_tree
- s0209_minimum_size_subarray_sum
- s0210_course_schedule_ii
- s0211_design_add_and_search_words_data_structure
- s0212_word_search_ii
- s0213_house_robber_ii
- s0214_shortest_palindrome
- s0215_kth_largest_element_in_an_array
- s0216_combination_sum_iii
- s0217_contains_duplicate
- s0218_the_skyline_problem
- s0219_contains_duplicate_ii
- s0220_contains_duplicate_iii
- s0221_maximal_square
- s0222_count_complete_tree_nodes
- s0223_rectangle_area
- s0224_basic_calculator
- s0225_implement_stack_using_queues
- s0226_invert_binary_tree
- s0227_basic_calculator_ii
- s0228_summary_ranges
- s0229_majority_element_ii
- s0230_kth_smallest_element_in_a_bst
- s0231_power_of_two
- s0232_implement_queue_using_stacks
- s0233_number_of_digit_one
- s0234_palindrome_linked_list
- s0235_lowest_common_ancestor_of_a_binary_search_tree
- s0236_lowest_common_ancestor_of_a_binary_tree
- s0237_delete_node_in_a_linked_list
- s0238_product_of_array_except_self
- s0239_sliding_window_maximum
- s0240_search_a_2d_matrix_ii
- s0241_different_ways_to_add_parentheses
- s0242_valid_anagram
- s0257_binary_tree_paths
- s0258_add_digits
- s0260_single_number_iii
- s0262_trips_and_users
- s0263_ugly_number
- s0264_ugly_number_ii
- s0268_missing_number
- s0273_integer_to_english_words
- s0274_h_index
- s0275_h_index_ii
- s0278_first_bad_version
- s0279_perfect_squares
- s0282_expression_add_operators
- s0283_move_zeroes
- s0284_peeking_iterator
- s0287_find_the_duplicate_number
- s0289_game_of_life
- s0290_word_pattern
- s0292_nim_game
- s0295_find_median_from_data_stream
- s0297_serialize_and_deserialize_binary_tree
- s0299_bulls_and_cows
- s0300_longest_increasing_subsequence
- g0301_0400
- s0301_remove_invalid_parentheses
- s0303_range_sum_query_immutable
- s0304_range_sum_query_2d_immutable
- s0306_additive_number
- s0307_range_sum_query_mutable
- s0309_best_time_to_buy_and_sell_stock_with_cooldown
- s0310_minimum_height_trees
- s0312_burst_balloons
- s0313_super_ugly_number
- s0315_count_of_smaller_numbers_after_self
- s0316_remove_duplicate_letters
- s0318_maximum_product_of_word_lengths
- s0319_bulb_switcher
- s0321_create_maximum_number
- s0322_coin_change
- s0324_wiggle_sort_ii
- s0326_power_of_three
- s0327_count_of_range_sum
- s0328_odd_even_linked_list
- s0329_longest_increasing_path_in_a_matrix
- s0330_patching_array
- s0331_verify_preorder_serialization_of_a_binary_tree
- s0332_reconstruct_itinerary
- s0334_increasing_triplet_subsequence
- s0335_self_crossing
- s0336_palindrome_pairs
- s0337_house_robber_iii
- s0338_counting_bits
- s0341_flatten_nested_list_iterator
- s0342_power_of_four
- s0343_integer_break
- s0344_reverse_string
- s0345_reverse_vowels_of_a_string
- s0347_top_k_frequent_elements
- s0349_intersection_of_two_arrays
- s0350_intersection_of_two_arrays_ii
- s0352_data_stream_as_disjoint_intervals
- s0354_russian_doll_envelopes
- s0355_design_twitter
- s0357_count_numbers_with_unique_digits
- s0363_max_sum_of_rectangle_no_larger_than_k
- s0365_water_and_jug_problem
- s0367_valid_perfect_square
- s0368_largest_divisible_subset
- s0371_sum_of_two_integers
- s0372_super_pow
- s0373_find_k_pairs_with_smallest_sums
- s0374_guess_number_higher_or_lower
- s0375_guess_number_higher_or_lower_ii
- s0376_wiggle_subsequence
- s0377_combination_sum_iv
- s0378_kth_smallest_element_in_a_sorted_matrix
- s0380_insert_delete_getrandom_o1
- s0381_insert_delete_getrandom_o1_duplicates_allowed
- s0382_linked_list_random_node
- s0383_ransom_note
- s0384_shuffle_an_array
- s0385_mini_parser
- s0386_lexicographical_numbers
- s0387_first_unique_character_in_a_string
- s0388_longest_absolute_file_path
- s0389_find_the_difference
- s0390_elimination_game
- s0391_perfect_rectangle
- s0392_is_subsequence
- s0393_utf_8_validation
- s0394_decode_string
- s0395_longest_substring_with_at_least_k_repeating_characters
- s0396_rotate_function
- s0397_integer_replacement
- s0398_random_pick_index
- s0399_evaluate_division
- s0400_nth_digit
- g0401_0500
- s0401_binary_watch
- s0402_remove_k_digits
- s0403_frog_jump
- s0404_sum_of_left_leaves
- s0405_convert_a_number_to_hexadecimal
- s0406_queue_reconstruction_by_height
- s0407_trapping_rain_water_ii
- s0409_longest_palindrome
- s0410_split_array_largest_sum
- s0412_fizz_buzz
- s0413_arithmetic_slices
- s0414_third_maximum_number
- s0415_add_strings
- s0416_partition_equal_subset_sum
- s0417_pacific_atlantic_water_flow
- s0419_battleships_in_a_board
- s0420_strong_password_checker
- s0421_maximum_xor_of_two_numbers_in_an_array
- s0423_reconstruct_original_digits_from_english
- s0424_longest_repeating_character_replacement
- s0427_construct_quad_tree
- s0429_n_ary_tree_level_order_traversal
- s0430_flatten_a_multilevel_doubly_linked_list
- s0432_all_oone_data_structure
- s0433_minimum_genetic_mutation
- s0434_number_of_segments_in_a_string
- s0435_non_overlapping_intervals
- s0436_find_right_interval
- s0437_path_sum_iii
- s0438_find_all_anagrams_in_a_string
- s0440_k_th_smallest_in_lexicographical_order
- s0441_arranging_coins
- s0442_find_all_duplicates_in_an_array
- s0443_string_compression
- s0445_add_two_numbers_ii
- s0446_arithmetic_slices_ii_subsequence
- s0447_number_of_boomerangs
- s0448_find_all_numbers_disappeared_in_an_array
- s0449_serialize_and_deserialize_bst
- s0450_delete_node_in_a_bst
- s0451_sort_characters_by_frequency
- s0452_minimum_number_of_arrows_to_burst_balloons
- s0453_minimum_moves_to_equal_array_elements
- s0454_4sum_ii
- s0455_assign_cookies
- s0456_132_pattern
- s0457_circular_array_loop
- s0458_poor_pigs
- s0459_repeated_substring_pattern
- s0460_lfu_cache
- s0461_hamming_distance
- s0462_minimum_moves_to_equal_array_elements_ii
- s0463_island_perimeter
- s0464_can_i_win
- s0466_count_the_repetitions
- s0467_unique_substrings_in_wraparound_string
- s0468_validate_ip_address
- s0470_implement_rand10_using_rand7
- s0472_concatenated_words
- s0473_matchsticks_to_square
- s0474_ones_and_zeroes
- s0475_heaters
- s0476_number_complement
- s0477_total_hamming_distance
- s0478_generate_random_point_in_a_circle
- s0479_largest_palindrome_product
- s0480_sliding_window_median
- s0481_magical_string
- s0482_license_key_formatting
- s0483_smallest_good_base
- s0485_max_consecutive_ones
- s0486_predict_the_winner
- s0488_zuma_game
- s0491_increasing_subsequences
- s0492_construct_the_rectangle
- s0493_reverse_pairs
- s0494_target_sum
- s0495_teemo_attacking
- s0496_next_greater_element_i
- s0497_random_point_in_non_overlapping_rectangles
- s0498_diagonal_traverse
- s0500_keyboard_row
- g0501_0600
- s0501_find_mode_in_binary_search_tree
- s0502_ipo
- s0503_next_greater_element_ii
- s0504_base_7
- s0506_relative_ranks
- s0507_perfect_number
- s0508_most_frequent_subtree_sum
- s0509_fibonacci_number
- s0511_game_play_analysis_i
- s0513_find_bottom_left_tree_value
- s0514_freedom_trail
- s0515_find_largest_value_in_each_tree_row
- s0516_longest_palindromic_subsequence
- s0517_super_washing_machines
- s0518_coin_change_2
- s0519_random_flip_matrix
- s0520_detect_capital
- s0521_longest_uncommon_subsequence_i
- s0522_longest_uncommon_subsequence_ii
- s0523_continuous_subarray_sum
- s0524_longest_word_in_dictionary_through_deleting
- s0525_contiguous_array
- s0526_beautiful_arrangement
- s0528_random_pick_with_weight
- s0529_minesweeper
- s0530_minimum_absolute_difference_in_bst
- s0532_k_diff_pairs_in_an_array
- s0535_encode_and_decode_tinyurl
- s0537_complex_number_multiplication
- s0538_convert_bst_to_greater_tree
- s0539_minimum_time_difference
- s0540_single_element_in_a_sorted_array
- s0541_reverse_string_ii
- s0542_01_matrix
- s0543_diameter_of_binary_tree
- s0546_remove_boxes
- s0547_number_of_provinces
- s0550_game_play_analysis_iv
- s0551_student_attendance_record_i
- s0552_student_attendance_record_ii
- s0553_optimal_division
- s0554_brick_wall
- s0556_next_greater_element_iii
- s0557_reverse_words_in_a_string_iii
- s0558_logical_or_of_two_binary_grids_represented_as_quad_trees
- s0559_maximum_depth_of_n_ary_tree
- s0560_subarray_sum_equals_k
- s0561_array_partition_i
- s0563_binary_tree_tilt
- s0564_find_the_closest_palindrome
- s0565_array_nesting
- s0566_reshape_the_matrix
- s0567_permutation_in_string
- s0570_managers_with_at_least_5_direct_reports
- s0572_subtree_of_another_tree
- s0575_distribute_candies
- s0576_out_of_boundary_paths
- s0577_employee_bonus
- s0581_shortest_unsorted_continuous_subarray
- s0583_delete_operation_for_two_strings
- s0584_find_customer_referee
- s0585_investments_in_2016
- s0586_customer_placing_the_largest_number_of_orders
- s0587_erect_the_fence
- s0589_n_ary_tree_preorder_traversal
- s0590_n_ary_tree_postorder_traversal
- s0591_tag_validator
- s0592_fraction_addition_and_subtraction
- s0593_valid_square
- s0594_longest_harmonious_subsequence
- s0595_big_countries
- s0596_classes_more_than_5_students
- s0598_range_addition_ii
- s0599_minimum_index_sum_of_two_lists
- s0600_non_negative_integers_without_consecutive_ones
- g0601_0700
- s0601_human_traffic_of_stadium
- s0602_friend_requests_ii_who_has_the_most_friends
- s0605_can_place_flowers
- s0606_construct_string_from_binary_tree
- s0607_sales_person
- s0608_tree_node
- s0609_find_duplicate_file_in_system
- s0610_triangle_judgement
- s0611_valid_triangle_number
- s0617_merge_two_binary_trees
- s0619_biggest_single_number
- s0620_not_boring_movies
- s0621_task_scheduler
- s0622_design_circular_queue
- s0623_add_one_row_to_tree
- s0626_exchange_seats
- s0627_swap_salary
- s0628_maximum_product_of_three_numbers
- s0629_k_inverse_pairs_array
- s0630_course_schedule_iii
- s0632_smallest_range_covering_elements_from_k_lists
- s0633_sum_of_square_numbers
- s0636_exclusive_time_of_functions
- s0637_average_of_levels_in_binary_tree
- s0638_shopping_offers
- s0639_decode_ways_ii
- s0640_solve_the_equation
- s0641_design_circular_deque
- s0643_maximum_average_subarray_i
- s0645_set_mismatch
- s0646_maximum_length_of_pair_chain
- s0647_palindromic_substrings
- s0648_replace_words
- s0649_dota2_senate
- s0650_2_keys_keyboard
- s0652_find_duplicate_subtrees
- s0653_two_sum_iv_input_is_a_bst
- s0654_maximum_binary_tree
- s0655_print_binary_tree
- s0657_robot_return_to_origin
- s0658_find_k_closest_elements
- s0659_split_array_into_consecutive_subsequences
- s0661_image_smoother
- s0662_maximum_width_of_binary_tree
- s0664_strange_printer
- s0665_non_decreasing_array
- s0667_beautiful_arrangement_ii
- s0668_kth_smallest_number_in_multiplication_table
- s0669_trim_a_binary_search_tree
- s0670_maximum_swap
- s0671_second_minimum_node_in_a_binary_tree
- s0672_bulb_switcher_ii
- s0673_number_of_longest_increasing_subsequence
- s0674_longest_continuous_increasing_subsequence
- s0675_cut_off_trees_for_golf_event
- s0676_implement_magic_dictionary
- s0677_map_sum_pairs
- s0678_valid_parenthesis_string
- s0679_24_game
- s0680_valid_palindrome_ii
- s0682_baseball_game
- s0684_redundant_connection
- s0685_redundant_connection_ii
- s0686_repeated_string_match
- s0687_longest_univalue_path
- s0688_knight_probability_in_chessboard
- s0689_maximum_sum_of_3_non_overlapping_subarrays
- s0690_employee_importance
- s0691_stickers_to_spell_word
- s0692_top_k_frequent_words
- s0693_binary_number_with_alternating_bits
- s0695_max_area_of_island
- s0696_count_binary_substrings
- s0697_degree_of_an_array
- s0698_partition_to_k_equal_sum_subsets
- s0699_falling_squares
- s0700_search_in_a_binary_search_tree
- g0701_0800
- s0701_insert_into_a_binary_search_tree
- s0703_kth_largest_element_in_a_stream
- s0704_binary_search
- s0705_design_hashset
- s0706_design_hashmap
- s0707_design_linked_list
- s0709_to_lower_case
- s0710_random_pick_with_blacklist
- s0712_minimum_ascii_delete_sum_for_two_strings
- s0713_subarray_product_less_than_k
- s0714_best_time_to_buy_and_sell_stock_with_transaction_fee
- s0715_range_module
- s0717_1_bit_and_2_bit_characters
- s0718_maximum_length_of_repeated_subarray
- s0719_find_k_th_smallest_pair_distance
- s0720_longest_word_in_dictionary
- s0721_accounts_merge
- s0722_remove_comments
- s0724_find_pivot_index
- s0725_split_linked_list_in_parts
- s0726_number_of_atoms
- s0728_self_dividing_numbers
- s0729_my_calendar_i
- s0730_count_different_palindromic_subsequences
- s0731_my_calendar_ii
- s0732_my_calendar_iii
- s0733_flood_fill
- s0735_asteroid_collision
- s0736_parse_lisp_expression
- s0738_monotone_increasing_digits
- s0739_daily_temperatures
- s0740_delete_and_earn
- s0741_cherry_pickup
- s0743_network_delay_time
- s0744_find_smallest_letter_greater_than_target
- s0745_prefix_and_suffix_search
- s0746_min_cost_climbing_stairs
- s0747_largest_number_at_least_twice_of_others
- s0748_shortest_completing_word
- s0749_contain_virus
- s0752_open_the_lock
- s0753_cracking_the_safe
- s0754_reach_a_number
- s0756_pyramid_transition_matrix
- s0757_set_intersection_size_at_least_two
- s0761_special_binary_string
- s0762_prime_number_of_set_bits_in_binary_representation
- s0763_partition_labels
- s0764_largest_plus_sign
- s0765_couples_holding_hands
- s0766_toeplitz_matrix
- s0767_reorganize_string
- s0768_max_chunks_to_make_sorted_ii
- s0769_max_chunks_to_make_sorted
- s0770_basic_calculator_iv
- s0771_jewels_and_stones
- s0773_sliding_puzzle
- s0775_global_and_local_inversions
- s0777_swap_adjacent_in_lr_string
- s0778_swim_in_rising_water
- s0779_k_th_symbol_in_grammar
- s0780_reaching_points
- s0781_rabbits_in_forest
- s0782_transform_to_chessboard
- s0783_minimum_distance_between_bst_nodes
- s0784_letter_case_permutation
- s0785_is_graph_bipartite
- s0786_k_th_smallest_prime_fraction
- s0787_cheapest_flights_within_k_stops
- s0788_rotated_digits
- s0789_escape_the_ghosts
- s0790_domino_and_tromino_tiling
- s0791_custom_sort_string
- s0792_number_of_matching_subsequences
- s0793_preimage_size_of_factorial_zeroes_function
- s0794_valid_tic_tac_toe_state
- s0795_number_of_subarrays_with_bounded_maximum
- s0796_rotate_string
- s0797_all_paths_from_source_to_target
- s0798_smallest_rotation_with_highest_score
- s0799_champagne_tower
- g0801_0900
- s0801_minimum_swaps_to_make_sequences_increasing
- s0802_find_eventual_safe_states
- s0803_bricks_falling_when_hit
- s0804_unique_morse_code_words
- s0805_split_array_with_same_average
- s0806_number_of_lines_to_write_string
- s0807_max_increase_to_keep_city_skyline
- s0808_soup_servings
- s0809_expressive_words
- s0810_chalkboard_xor_game
- s0811_subdomain_visit_count
- s0812_largest_triangle_area
- s0813_largest_sum_of_averages
- s0814_binary_tree_pruning
- s0815_bus_routes
- s0816_ambiguous_coordinates
- s0817_linked_list_components
- s0818_race_car
- s0819_most_common_word
- s0820_short_encoding_of_words
- s0821_shortest_distance_to_a_character
- s0822_card_flipping_game
- s0823_binary_trees_with_factors
- s0824_goat_latin
- s0825_friends_of_appropriate_ages
- s0826_most_profit_assigning_work
- s0827_making_a_large_island
- s0828_count_unique_characters_of_all_substrings_of_a_given_string
- s0829_consecutive_numbers_sum
- s0830_positions_of_large_groups
- s0831_masking_personal_information
- s0832_flipping_an_image
- s0833_find_and_replace_in_string
- s0834_sum_of_distances_in_tree
- s0835_image_overlap
- s0836_rectangle_overlap
- s0837_new_21_game
- s0838_push_dominoes
- s0839_similar_string_groups
- s0840_magic_squares_in_grid
- s0841_keys_and_rooms
- s0842_split_array_into_fibonacci_sequence
- s0843_guess_the_word
- s0844_backspace_string_compare
- s0845_longest_mountain_in_array
- s0846_hand_of_straights
- s0847_shortest_path_visiting_all_nodes
- s0848_shifting_letters
- s0849_maximize_distance_to_closest_person
- s0850_rectangle_area_ii
- s0851_loud_and_rich
- s0852_peak_index_in_a_mountain_array
- s0853_car_fleet
- s0854_k_similar_strings
- s0855_exam_room
- s0856_score_of_parentheses
- s0857_minimum_cost_to_hire_k_workers
- s0858_mirror_reflection
- s0859_buddy_strings
- s0860_lemonade_change
- s0861_score_after_flipping_matrix
- s0862_shortest_subarray_with_sum_at_least_k
- s0863_all_nodes_distance_k_in_binary_tree
- s0864_shortest_path_to_get_all_keys
- s0865_smallest_subtree_with_all_the_deepest_nodes
- s0866_prime_palindrome
- s0867_transpose_matrix
- s0868_binary_gap
- s0869_reordered_power_of_2
- s0870_advantage_shuffle
- s0871_minimum_number_of_refueling_stops
- s0872_leaf_similar_trees
- s0873_length_of_longest_fibonacci_subsequence
- s0874_walking_robot_simulation
- s0875_koko_eating_bananas
- s0876_middle_of_the_linked_list
- s0877_stone_game
- s0878_nth_magical_number
- s0879_profitable_schemes
- s0880_decoded_string_at_index
- s0881_boats_to_save_people
- s0882_reachable_nodes_in_subdivided_graph
- s0883_projection_area_of_3d_shapes
- s0884_uncommon_words_from_two_sentences
- s0885_spiral_matrix_iii
- s0886_possible_bipartition
- s0887_super_egg_drop
- s0888_fair_candy_swap
- s0889_construct_binary_tree_from_preorder_and_postorder_traversal
- s0890_find_and_replace_pattern
- s0891_sum_of_subsequence_widths
- s0892_surface_area_of_3d_shapes
- s0893_groups_of_special_equivalent_strings
- s0894_all_possible_full_binary_trees
- s0895_maximum_frequency_stack
- s0896_monotonic_array
- s0897_increasing_order_search_tree
- s0898_bitwise_ors_of_subarrays
- s0899_orderly_queue
- s0900_rle_iterator
- g0901_1000
- s0901_online_stock_span
- s0902_numbers_at_most_n_given_digit_set
- s0903_valid_permutations_for_di_sequence
- s0904_fruit_into_baskets
- s0905_sort_array_by_parity
- s0906_super_palindromes
- s0907_sum_of_subarray_minimums
- s0908_smallest_range_i
- s0909_snakes_and_ladders
- s0910_smallest_range_ii
- s0911_online_election
- s0912_sort_an_array
- s0913_cat_and_mouse
- s0914_x_of_a_kind_in_a_deck_of_cards
- s0915_partition_array_into_disjoint_intervals
- s0916_word_subsets
- s0917_reverse_only_letters
- s0918_maximum_sum_circular_subarray
- s0919_complete_binary_tree_inserter
- s0920_number_of_music_playlists
- s0921_minimum_add_to_make_parentheses_valid
- s0922_sort_array_by_parity_ii
- s0923_3sum_with_multiplicity
- s0924_minimize_malware_spread
- s0925_long_pressed_name
- s0926_flip_string_to_monotone_increasing
- s0927_three_equal_parts
- s0928_minimize_malware_spread_ii
- s0929_unique_email_addresses
- s0930_binary_subarrays_with_sum
- s0931_minimum_falling_path_sum
- s0932_beautiful_array
- s0933_number_of_recent_calls
- s0934_shortest_bridge
- s0935_knight_dialer
- s0936_stamping_the_sequence
- s0937_reorder_data_in_log_files
- s0938_range_sum_of_bst
- s0939_minimum_area_rectangle
- s0940_distinct_subsequences_ii
- s0941_valid_mountain_array
- s0942_di_string_match
- s0943_find_the_shortest_superstring
- s0944_delete_columns_to_make_sorted
- s0945_minimum_increment_to_make_array_unique
- s0946_validate_stack_sequences
- s0947_most_stones_removed_with_same_row_or_column
- s0948_bag_of_tokens
- s0949_largest_time_for_given_digits
- s0950_reveal_cards_in_increasing_order
- s0951_flip_equivalent_binary_trees
- s0952_largest_component_size_by_common_factor
- s0953_verifying_an_alien_dictionary
- s0954_array_of_doubled_pairs
- s0955_delete_columns_to_make_sorted_ii
- s0956_tallest_billboard
- s0957_prison_cells_after_n_days
- s0958_check_completeness_of_a_binary_tree
- s0959_regions_cut_by_slashes
- s0960_delete_columns_to_make_sorted_iii
- s0961_n_repeated_element_in_size_2n_array
- s0962_maximum_width_ramp
- s0963_minimum_area_rectangle_ii
- s0964_least_operators_to_express_number
- s0965_univalued_binary_tree
- s0966_vowel_spellchecker
- s0967_numbers_with_same_consecutive_differences
- s0968_binary_tree_cameras
- s0969_pancake_sorting
- s0970_powerful_integers
- s0971_flip_binary_tree_to_match_preorder_traversal
- s0972_equal_rational_numbers
- s0973_k_closest_points_to_origin
- s0974_subarray_sums_divisible_by_k
- s0975_odd_even_jump
- s0976_largest_perimeter_triangle
- s0977_squares_of_a_sorted_array
- s0978_longest_turbulent_subarray
- s0979_distribute_coins_in_binary_tree
- s0980_unique_paths_iii
- s0981_time_based_key_value_store
- s0982_triples_with_bitwise_and_equal_to_zero
- s0983_minimum_cost_for_tickets
- s0984_string_without_aaa_or_bbb
- s0985_sum_of_even_numbers_after_queries
- s0986_interval_list_intersections
- s0987_vertical_order_traversal_of_a_binary_tree
- s0988_smallest_string_starting_from_leaf
- s0989_add_to_array_form_of_integer
- s0990_satisfiability_of_equality_equations
- s0991_broken_calculator
- s0992_subarrays_with_k_different_integers
- s0993_cousins_in_binary_tree
- s0994_rotting_oranges
- s0995_minimum_number_of_k_consecutive_bit_flips
- s0996_number_of_squareful_arrays
- s0997_find_the_town_judge
- s0998_maximum_binary_tree_ii
- s0999_available_captures_for_rook
- s1000_minimum_cost_to_merge_stones
- test/java
- g0001_0100
- s0001_two_sum
- s0002_add_two_numbers
- s0003_longest_substring_without_repeating_characters
- s0004_median_of_two_sorted_arrays
- s0005_longest_palindromic_substring
- s0006_zigzag_conversion
- s0007_reverse_integer
- s0008_string_to_integer_atoi
- s0009_palindrome_number
- s0010_regular_expression_matching
- s0011_container_with_most_water
- s0012_integer_to_roman
- s0013_roman_to_integer
- s0014_longest_common_prefix
- s0015_3sum
- s0016_3sum_closest
- s0017_letter_combinations_of_a_phone_number
- s0018_4sum
- s0019_remove_nth_node_from_end_of_list
- s0020_valid_parentheses
- s0021_merge_two_sorted_lists
- s0022_generate_parentheses
- s0023_merge_k_sorted_lists
- s0024_swap_nodes_in_pairs
- s0025_reverse_nodes_in_k_group
- s0026_remove_duplicates_from_sorted_array
- s0027_remove_element
- s0028_find_the_index_of_the_first_occurrence_in_a_string
- s0029_divide_two_integers
- s0030_substring_with_concatenation_of_all_words
- s0031_next_permutation
- s0032_longest_valid_parentheses
- s0033_search_in_rotated_sorted_array
- s0034_find_first_and_last_position_of_element_in_sorted_array
- s0035_search_insert_position
- s0036_valid_sudoku
- s0037_sudoku_solver
- s0038_count_and_say
- s0039_combination_sum
- s0040_combination_sum_ii
- s0041_first_missing_positive
- s0042_trapping_rain_water
- s0043_multiply_strings
- s0044_wildcard_matching
- s0045_jump_game_ii
- s0046_permutations
- s0047_permutations_ii
- s0048_rotate_image
- s0049_group_anagrams
- s0050_powx_n
- s0051_n_queens
- s0052_n_queens_ii
- s0053_maximum_subarray
- s0054_spiral_matrix
- s0055_jump_game
- s0056_merge_intervals
- s0057_insert_interval
- s0058_length_of_last_word
- s0059_spiral_matrix_ii
- s0060_permutation_sequence
- s0061_rotate_list
- s0062_unique_paths
- s0063_unique_paths_ii
- s0064_minimum_path_sum
- s0065_valid_number
- s0066_plus_one
- s0067_add_binary
- s0068_text_justification
- s0069_sqrtx
- s0070_climbing_stairs
- s0071_simplify_path
- s0072_edit_distance
- s0073_set_matrix_zeroes
- s0074_search_a_2d_matrix
- s0075_sort_colors
- s0076_minimum_window_substring
- s0077_combinations
- s0078_subsets
- s0079_word_search
- s0080_remove_duplicates_from_sorted_array_ii
- s0081_search_in_rotated_sorted_array_ii
- s0082_remove_duplicates_from_sorted_list_ii
- s0083_remove_duplicates_from_sorted_list
- s0084_largest_rectangle_in_histogram
- s0085_maximal_rectangle
- s0086_partition_list
- s0087_scramble_string
- s0088_merge_sorted_array
- s0089_gray_code
- s0090_subsets_ii
- s0091_decode_ways
- s0092_reverse_linked_list_ii
- s0093_restore_ip_addresses
- s0094_binary_tree_inorder_traversal
- s0095_unique_binary_search_trees_ii
- s0096_unique_binary_search_trees
- s0097_interleaving_string
- s0098_validate_binary_search_tree
- s0099_recover_binary_search_tree
- s0100_same_tree
- g0101_0200
- s0101_symmetric_tree
- s0102_binary_tree_level_order_traversal
- s0103_binary_tree_zigzag_level_order_traversal
- s0104_maximum_depth_of_binary_tree
- s0105_construct_binary_tree_from_preorder_and_inorder_traversal
- s0106_construct_binary_tree_from_inorder_and_postorder_traversal
- s0107_binary_tree_level_order_traversal_ii
- s0108_convert_sorted_array_to_binary_search_tree
- s0109_convert_sorted_list_to_binary_search_tree
- s0110_balanced_binary_tree
- s0111_minimum_depth_of_binary_tree
- s0112_path_sum
- s0113_path_sum_ii
- s0114_flatten_binary_tree_to_linked_list
- s0115_distinct_subsequences
- s0116_populating_next_right_pointers_in_each_node
- s0117_populating_next_right_pointers_in_each_node_ii
- s0118_pascals_triangle
- s0119_pascals_triangle_ii
- s0120_triangle
- s0121_best_time_to_buy_and_sell_stock
- s0122_best_time_to_buy_and_sell_stock_ii
- s0123_best_time_to_buy_and_sell_stock_iii
- s0124_binary_tree_maximum_path_sum
- s0125_valid_palindrome
- s0126_word_ladder_ii
- s0127_word_ladder
- s0128_longest_consecutive_sequence
- s0129_sum_root_to_leaf_numbers
- s0130_surrounded_regions
- s0131_palindrome_partitioning
- s0132_palindrome_partitioning_ii
- s0133_clone_graph
- s0134_gas_station
- s0135_candy
- s0136_single_number
- s0137_single_number_ii
- s0138_copy_list_with_random_pointer
- s0139_word_break
- s0140_word_break_ii
- s0141_linked_list_cycle
- s0142_linked_list_cycle_ii
- s0143_reorder_list
- s0144_binary_tree_preorder_traversal
- s0145_binary_tree_postorder_traversal
- s0146_lru_cache
- s0147_insertion_sort_list
- s0148_sort_list
- s0149_max_points_on_a_line
- s0150_evaluate_reverse_polish_notation
- s0151_reverse_words_in_a_string
- s0152_maximum_product_subarray
- s0153_find_minimum_in_rotated_sorted_array
- s0154_find_minimum_in_rotated_sorted_array_ii
- s0155_min_stack
- s0160_intersection_of_two_linked_lists
- s0162_find_peak_element
- s0164_maximum_gap
- s0165_compare_version_numbers
- s0166_fraction_to_recurring_decimal
- s0167_two_sum_ii_input_array_is_sorted
- s0168_excel_sheet_column_title
- s0169_majority_element
- s0171_excel_sheet_column_number
- s0172_factorial_trailing_zeroes
- s0173_binary_search_tree_iterator
- s0174_dungeon_game
- s0175_combine_two_tables
- s0176_second_highest_salary
- s0178_rank_scores
- s0179_largest_number
- s0180_consecutive_numbers
- s0181_employees_earning_more_than_their_managers
- s0182_duplicate_emails
- s0185_department_top_three_salaries
- s0187_repeated_dna_sequences
- s0188_best_time_to_buy_and_sell_stock_iv
- s0189_rotate_array
- s0190_reverse_bits
- s0191_number_of_1_bits
- s0196_delete_duplicate_emails
- s0197_rising_temperature
- s0198_house_robber
- s0199_binary_tree_right_side_view
- s0200_number_of_islands
- g0201_0300
- s0201_bitwise_and_of_numbers_range
- s0202_happy_number
- s0203_remove_linked_list_elements
- s0204_count_primes
- s0205_isomorphic_strings
- s0206_reverse_linked_list
- s0207_course_schedule
- s0208_implement_trie_prefix_tree
- s0209_minimum_size_subarray_sum
- s0210_course_schedule_ii
- s0211_design_add_and_search_words_data_structure
- s0212_word_search_ii
- s0213_house_robber_ii
- s0214_shortest_palindrome
- s0215_kth_largest_element_in_an_array
- s0216_combination_sum_iii
- s0217_contains_duplicate
- s0218_the_skyline_problem
- s0219_contains_duplicate_ii
- s0220_contains_duplicate_iii
- s0221_maximal_square
- s0222_count_complete_tree_nodes
- s0223_rectangle_area
- s0224_basic_calculator
- s0225_implement_stack_using_queues
- s0226_invert_binary_tree
- s0227_basic_calculator_ii
- s0228_summary_ranges
- s0229_majority_element_ii
- s0230_kth_smallest_element_in_a_bst
- s0231_power_of_two
- s0232_implement_queue_using_stacks
- s0233_number_of_digit_one
- s0234_palindrome_linked_list
- s0235_lowest_common_ancestor_of_a_binary_search_tree
- s0236_lowest_common_ancestor_of_a_binary_tree
- s0237_delete_node_in_a_linked_list
- s0238_product_of_array_except_self
- s0239_sliding_window_maximum
- s0240_search_a_2d_matrix_ii
- s0241_different_ways_to_add_parentheses
- s0242_valid_anagram
- s0257_binary_tree_paths
- s0258_add_digits
- s0260_single_number_iii
- s0262_trips_and_users
- s0263_ugly_number
- s0264_ugly_number_ii
- s0268_missing_number
- s0273_integer_to_english_words
- s0274_h_index
- s0275_h_index_ii
- s0278_first_bad_version
- s0279_perfect_squares
- s0282_expression_add_operators
- s0283_move_zeroes
- s0284_peeking_iterator
- s0287_find_the_duplicate_number
- s0289_game_of_life
- s0290_word_pattern
- s0292_nim_game
- s0295_find_median_from_data_stream
- s0297_serialize_and_deserialize_binary_tree
- s0299_bulls_and_cows
- s0300_longest_increasing_subsequence
- g0301_0400
- s0301_remove_invalid_parentheses
- s0303_range_sum_query_immutable
- s0304_range_sum_query_2d_immutable
- s0306_additive_number
- s0307_range_sum_query_mutable
- s0309_best_time_to_buy_and_sell_stock_with_cooldown
- s0310_minimum_height_trees
- s0312_burst_balloons
- s0313_super_ugly_number
- s0315_count_of_smaller_numbers_after_self
- s0316_remove_duplicate_letters
- s0318_maximum_product_of_word_lengths
- s0319_bulb_switcher
- s0321_create_maximum_number
- s0322_coin_change
- s0324_wiggle_sort_ii
- s0326_power_of_three
- s0327_count_of_range_sum
- s0328_odd_even_linked_list
- s0329_longest_increasing_path_in_a_matrix
- s0330_patching_array
- s0331_verify_preorder_serialization_of_a_binary_tree
- s0332_reconstruct_itinerary
- s0334_increasing_triplet_subsequence
- s0335_self_crossing
- s0336_palindrome_pairs
- s0337_house_robber_iii
- s0338_counting_bits
- s0341_flatten_nested_list_iterator
- s0342_power_of_four
- s0343_integer_break
- s0344_reverse_string
- s0345_reverse_vowels_of_a_string
- s0347_top_k_frequent_elements
- s0349_intersection_of_two_arrays
- s0350_intersection_of_two_arrays_ii
- s0352_data_stream_as_disjoint_intervals
- s0354_russian_doll_envelopes
- s0355_design_twitter
- s0357_count_numbers_with_unique_digits
- s0363_max_sum_of_rectangle_no_larger_than_k
- s0365_water_and_jug_problem
- s0367_valid_perfect_square
- s0368_largest_divisible_subset
- s0371_sum_of_two_integers
- s0372_super_pow
- s0373_find_k_pairs_with_smallest_sums
- s0374_guess_number_higher_or_lower
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