leet/

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

Directories ¶

Path	Synopsis
0-99
0001_two_sum
0002_add_two_numbers
0003_lenOfLongestSubStr
0004_median_of_two_sorted_arrays
0005_longest_palindromic_substring
0007_reverse_integer
0008_string_to_integer
0011_container_with_most_water
0013_Roman_to_integer
0014_Longest_Common_Prefix
0015_3Sum
0016_3sum_closest
0017_letter_combinations
0018_4sum
0019_remove_nth_node_from_end_of_list
0020_valid_parentheses
0021_merge_two_sorted_lists
0022_generate_parentheses
0025_reverse_nodes_in_k-group
0026_remove_duplicates
0028_strStr
0029_divide_two_integers
0030_substring_with_concatenation_of_all_words
0031_next_permutation
0033_search_in_rotated_sorted_array
0034_find_first_and_last_pos_element_in_sorted_arr
0036_valid_sudoku
0038_Count_And_Say
0039_combinations_sum
0041_first_missing_positive
0043_multiply_strings
0044_wildcard_matching
0045_jump_game_ii
0046_permutations
0048_rotate_image
0049_group_anagrams
0050_pow
0051_n-queens
0053_Maximum_Subbarray
0053_maxium_subarray
0054_spiral_matrix
0055_jump_game
0056_merge_intervals
0057_insert_interval
0058_length_of_last_word
0061_rotate_list
0062_unique_paths
0066_Plus_One
0069_Sqrt_x
0070_climbing_stairs
0072_edit_distance
0073_set_matrix_zeroes
0075_sort_colors
0076_minimum_window_substring
0077_combinations
0078_subsets
0079_word_search
0081_search_in_rotated_sorted_array_ii
0084_largest_rectangle_in_histogram
0088_merge_sorted_array
0090_subsets_ii
0091_decode_ways
0092_reverse_linked_list_ii
0094_binary_tree_inorder_traversal
0095_unique_binary_search_trees_ii
0096_unique_binary_search_trees
0097_interleaving_string
0098_validate_binary_search_tree
023_merge_k_sorted_lists
35_search_insert_position
100-499
0101_symmetric_tree
0102_binary_tree_level_order_traversal
0103_binary_tree_zigzag_level_order_traversal
0104_maximum_depth_of_binary_tree
0105_construct_binary_tree_from_preorder_and_inorder_traversal
0107_binary_tree_level_rder_traversal_ii
0108_sorted_array_to_BST
0110_balanced_binary_tree
0111_minimum_depth_of_binary_tree
0112_path_sum
0113_path_sum_ii
0116_populating_next_right_pointers_in_each_node
0118_Pascals_Triangle
0119_Pascals_Triangle_2
0121_best_time_to_buy_and_sell_stock
0122_best_time_to_buy_and_sel_stock_II
0122_best_time_to_buy_and_sell_stock_2
0124_binary_tree_maximum_path_sum
0125_valid_palindrome
0127_word_ladder
0128_longest_consecutive_sequence
0129_sum_root_to_leaf_numbers
0130_surrounded_regions
0131_palindrome_partitioning
0132_palindromic_partitioning_ii
0134_gas_station
0136_single_number
0138_copy_list_with_random_pointer
0139_word_break
0141_linked_list_cycle
0142_start_linked_list_cycle
0143_reorder_list
0146_lru_cache
0148_sort_list
0150_evaluate_reverse_polish_notation
0151_reverse_words_in_a_string
0152_maximum_product_subarray
0153_find_minimum_in_rotated_sorted_array
0154_find_minimum_in_rotated_sorted_array_ii
0155_min_stack
0160_intersection_of_two_linked_lists
0162_find_peak_element
0165_compare_version_numbers
0166_fraction_to_recurring_decimal
0167_two_sum_ii_input_array_is_sorted
0168_excel_sheet_column_title
0169_majority_element
0171_excel_sheet_column_number
0172_factorial_trailing_zeroes
0179_largest_number
0189_rotate_array.go
0190_reverse_bits
0191_number_of_1_bits
0198_house_robber
0200_number_of_islands
0201_Bitwise_And_of_Numbers_Range
0202_happy_number
0203_remove_linked_list_elements
0204_count_primes
0206_reverse_linked_list
0207_course_schedule
0208_implement_trie_prefix_tree
0209_minimum_size_subarray_sum
0210_course_schedule_2
0215_kth_largest_element_in_array
0217_contains_duplicate
0219_contains_duplicate_2
0220_contains_duplicate_iii
0224_basic_calculator
0227_basic_calculator_II
0228_summary_ranges
0230_kth_smallest_element_in_bst
0231_power_of_two
0232_implement_queue_using_stacks/approach1-two_stacks_ON
0232_implement_queue_using_stacks/approach2-two_stacks_O1
0232_implement_queue_using_stacks/memoryLeak
0234_palindrome_linked_list
0235_lowest_common_ancestor_bst
0238_product_of_array_except_self
0239_sliding_window_maximum
0240_search_a_2d_matrix_ii
0241_different_ways_to_add_parentheses
0242_valid_anagram
0247_strobogrammatic_number_ii
0253_meeting_rooms_ii
0260_single_number_III
0268_missing_number
0273_delete_node_in_a_linked_list
0278_first_bad_version
0279_perfect_squares
0283_move_zeroes
0287_find_the_duplicate_number
0289_game_of_life
0290_word_pattern
0292_nim_game
0295_find_median_from_data_stream
0299_bulls_and_cows
0300_longest_increasing_subsequence
0322_coin_change
0324_wiggle_sort_2
0326_power_of_three
0328_odd_even_linked_list
0334_increasing_triplet_subsequence
0341_flatten_nested_list_iterator
0342_power_of_four
0343_integer_break
0344_reverse_string
0347_top_k_frequent_elements
0350_intersection_of_two_arrays_2
0362_design_hit_counter
0365_water_and_jug_problem
0366_find_leaves_of_binary_tree
0367_valid_perfect_square
0371_sum_of_two_integers
0373_find_k_pairs_with_smalles_sums
0376_wiggle_subsequence
0378_kth_smallest_element_in_sorted_matrix
0380_insert_delete_getrandom_o1
0383_ransom_note
0384_shuffle_an_array
0387_first_unique_character_in_string
0392_is_subsequence
0401_binary_watch
0401_binary_watch/helper
0406_queue_reconstruction_by_height
0412_fizz_buzz
0414_third_maximum_number
0416_partition_equal_subset_sum
0418_sentence_screen_fitting
0429_n-ary-tree-level-order-traversal
0434_number_of_segments_in_a_string
0435_non-overlapping_intervals
0436_find_right_interval
0437_path_sum_iii
0438_find_all_anagrams_in_a_string
0441_arranging_coins
0442_find_all_duplicates_in_an_array
0444_sequence_reconstruction
0448_find_all_numbers_disappeared_In_an_array
0450_delete_node_in_a_bst
0451_sort_characters_by_frequency
0454_4sum_ii
0459_repeated_substring_pattern
0461_hamming_distance
0470_implemend_rand10_using_rand7
0475_heaters
0480_sliding_window_median
0482_license_key_formatting
0489_robot_cleaner
0490_the_mase
0496_next_greater_element_i
424_longest_repeating_character_replacement
494_target_sum
1000-1499
1004_max_consecutive_ones_iii
1009_complement_of_base_10_integer
1013_partition_array_into_three_parts_with_equal_sum
1018_binary_prefix_divisible_by_5
1021_remove_outermost_parentheses
1025_divisor_game
1046_last_stone_weight
1047_remove_all_adjacent_duplicates_in_string
1049_last_stone_weight_ii
1062_longest_repeating_substring
1071_greatest_common_divisor_of_strings
1089_duplicate_zeroes
1095_find_in_mountain_array
1101_the_earliest_moment_when_everyone_become_friends
1108_defanging_IP_address
1110_delete_nodes_and_return_forest
1125_smallest_sufficient_team
1136_parallel_courses
1146_snapshot_array
1154_day_of_the_year
1161_maximum_level_sum_of_a_binary_tree
1175_prime_arrangements
1200_minimum_absolute_difference
1221_split_string_in_balanced_strings
1249_minimum_remove_to_make_valid_parentheses
1254_number_of_closed_islands
1275_find_winner_on_a_tic_tac_toe_game
1277_count_square_submatrices_with_all_ones
1281_substract_the_product_and_sum_digits_integer
1314_matrix_block_sum
1323_Maximum_69_Number
1324_Print_words_vertically
1325_delete_leaves_with_a_given_value
1332_remove_palindromic_subsequences
1333_filter_restaurants_by_vegan_price_and_distance
1334_find_city_with_smallest_number_neighbors_and_distance
1339_maximum_product_of_splitted_binary_tree
1342_number_of_steps_to_reduce_number_to_zero
1346_check_if_n_and_its_double_exist
1348_Tweet_Counts_Per_Frequency
1351_count_negative_numbers_in_sorted_matrix
1360_numbers_of_days_between_two_dates
1361_validate_btree_nodes
1362_closest_divisors
1365_how_many_numbers_are_smaller_than_the_curr_num
1366_rank_teams_by_votes
1375_Bulb_switcher_3
1376_time_needed_to_inform_all_employers
1381_design_a_stack_with_increment_operation
1386_cinema_seat_allocation
1391_check-if-there-is-a-valid-path-in-a-grid
1395_count_number_of_teams
1409_queries-on-a-permutation-with-key
1417_reformat_the_string
1422_maximum_score_after_splitting_a_string
1480_running_sum_of_1d_array
1496_path_crossing
1497_check_if_array_pairs_are_divisible_by_k
1500-1799
1509_min_diff_between_largest_and_smallest
1512_number_of_good_pairs
1523_count-odd-numbers-in-an-interval-range
1528_shuffle_string
1539_kth_missing_positive_number
1544_make-the-string-great
1556_thousand_separator
1560_most_visited_sector_in_a_circular_track
1601_maximum_number_of_achievable_transfer_requests
1603_design_parking_system
1619_mean_of_array_after_removing_some_elements
1624_largest_substring_between_two_equal_characters
1624_largest_substring_between_two_equal_chars
1626_best_team_with_no_conflicts
1629_slowest_key
1637_widest_vertical_area_between_two_points_containing_no_points
1641_count_sorted_vowel_strings
1668_maximum_repeatin_substring
1712_ways-to-split-array-into-three-subarrays
1722_minimize-hamming-distance-after-swap-operations
1727-largest-submatrix-with-rearrangements
1730_shortest_path_to_get_food
1736_latest_time_by_replacing_hidden_digits
1737_change_minimum_characters_to_satisfy_one_of_three_conditions
1738_find_kth_largest_xor_coordinate_value
1740_find_distance_in_binary_tree
1742_maximum_number_of_bals_in_a_box
1743_restore_the_array_from_adjacent_pairs
1744_can_you_eat_your_favorite_candy_on_your_favorite_day
1752_check_if_array_is_sorted_and_rotated
1753_maximum_score_from_removing_stones
1754_largest_merge_of_two_strings
1758_minimum_changes_to_make_alternating_binary_string
1759_count_number_of_homogenous_substrings
1760_minimum_limit_of_balls_in_a_bag
1768_merge_strings_alternately
1769_minimum-number-of-operations-to-move-all-balls-to-each-box
1770_maximum-score-from-performing-multiplication-operations
1773_count_items_matching_a_rule
1774_closest_dessert_cost
1775_equal-sum-arrays-with-minimum-number-of-operations
1784_check_if_binary_string_has_at_most_one_segment_of_ones
1785_minimum-elements-to-add-to-form-a-given-sum
1786_number-of-restricted-paths-from-first-to-last-node
1790_check-if-one-string-swap-can-make-strings-equal
1791_find_center_of_star_graph
1792_maximum-average-pass-ratio
1794_maximum_score_of_a_good_subarray
1800-1899
1801_number_of_orders_in_the_backlog
1802_maximum-value-at-a-given-index-in-a-bounded-array
1803_count_pairs_with_xor_in_a_range
1805_number-of-different-integers-in-a-string
1806_minimum-number-of-operations-to-reinitialize-a-permutation
1807_evaluate-the-bracket-pairs-of-a-string
1808_maximize-number-of-nice-divisors
1816_truncate-sentence
1817_finding_the_users_active_minutes
1818_min_absolute_sum_difference
1819_number-of-different-subsequences-gcds
1823_find_the_winner_of_the_circular_game
1824_minimum_sideway_jumps
1825_finding-mk-average
1825_finding-mk-average/tleInput
1825_finding-mk-average/tle_and_not_success_solutions
1830_minimum_number_of_operations_to_make_string_sorted
1832_check-if-the-sentence-is-pangram
1833_maximum_ice_cream_bars
1834_single-threaded-cpu
1835_find-xor-sum-of-all-pairs-bitwise-and
1837_sum_of_digits_in_base_k
1838_frequency_of_the_most_frequent_element
1839_longest_substring_of_al_vowels_in_order
1840_maximum_builing_height
1848_minimum_distance_to_the_target_element
1849_splitting-a-string-into-descending-consecutive-values
1850_minimum_adjacent_swaps_to_reach_the_kth_smallest_number
1851_minimum_interval_to_include_each_query
1854_maximum_population_year
1855_maximum_distance_between_a_pair_of_values
1856_maximum_subarray_min-product
1857_largest_color_value_in_a_directed_graph
1863_sum_of_all_subset_xor_totals
1864_minimum_number_of_swaps_to_make_the_binary_string_alternating
1865_finding_pairs_with_a_certain_sum
1866_number_of_ways_to_rearrange_sticks_with_k_sticks_visible
1869_longer_contiguous_segments_of_ones_than_zeroes
1870_minimum_speed_to_arrive_on_time
1871_jump_game_vii
1872_stone_game_viii
1880_check_if_word_equals_summation_of_two_words
1881_maximum_value_after_insertion
1882_process_tasks_using_servers
1883_minimum_skips_to_arrive_at_meeting_on_time
1886_determine_whether_matrix_can_be_obtained_by_rotation
1887_reduction_operations_to_make_the_array_elements_equal
1888_miminum_number_of_flips_to_make_the_binary_string_alternating
1889_minimum_space_wasted_from_packaging
1898_maximum_number_of_removable_characters
1899_merge_triplets_to_form_target_triplet
1900-1999
1900_the_earliest_and_latest_rounds_where_players_compete
1901_find_a_peak_element_ii
1903_largest_odd_number_in_string
1904_the_number_of_full_rounds_you_have_played
1905_count_sub_islands
1906_minimum_absolute_difference_queries
1930_unique_length-3_palindromic_subsequences
1932_merge_bsts_to_create_single_bst
1954_minimum_garden_perimeter_to_collect_enough_apples
1955_count_number_of_special_subsequences
1962_remove_stones_to_minimize_the_total
1963_minimum_number_of_swaps_to_make_the_string_balanced
1964_find_the_longest_valid_obstacle_course_at_each_position
1967_number_of_strings_that_appear_as_substring
1970_last_day_where_you_can_still_cross
1982_find_array_given_subset_sums
2000-2499
2007_Find_Original_Array_From_Doubled_Array
2013_detect_squares
2018_check_if_word_can_be_placed_in_crossword
2029_stone_game_ix
2030_smallest-k-length-subsequence-with-occurrences-of-a-letter
2069_walking_robot_simulation_ii
2074_reverse_nodes_in_even_length_groups
2080_range_frequency_queries
2087_minimum_cost_homecoming_of_a_robot_in_a_grid
2088_count_fertile_pyramids_in_a_land
2091_Removing_Minimum_and_Maximum_From_Array
2092_find_all_people_with_secret
2097_valid_arrangement_of_pairs
2101_detonate_the_maximum_bombs
2115_find_all_possible_recipes_from_given_suppliers
2116_check_if_a_parentheses_string_can_be_valid
2117_abbreviating_the_product_of_a_range
2122_recover_the_original_array
2127
2131_longest_palindrome_by_concatenating_two_letter_words
2132_stamping_the_grid
2136_earliest_possible_day_full_bloom
2141_maximum_running_time_of_N_computers
2147_numbers_of_ways_to_divide_long_corridor
2151_max_good_people_based_on_statements
2156_find_substring_with_given_hash_value
2157_groups_of_strings
2163_minimum_difference_in_sums_after_removal_of_elements
2166_design_bitset
2167_minimum_time_to_remove_all_cars_containing_illegal_goods
2172_maximum_and_sum_of_array
2176_count_equal_and_divisible_pairs_in_an_array
2179_count_good_triplets_in_array
2183_count_array_pairs_divisible_by_k
2188_minimum_time_to_finish_the_race
2193_minimum_number_moves_to_make_palindrome
2197_replace_non_coprime_numbers_in_array
2203_minimum_weighted_subgraph_with_the_required_paths
2209_minimum_white_tiles_after_covering_with_carpets
2213_longest_subsring_of_one_repeating_character
2265_count_nodes_equal_to_average_of_subtree
2316_count_Unreachable_pairs_of_node_in_undirected_graph
2332_the_latest_time_tim_catch_a_bus
2366_minimum_replacements_to_sort_the_array
2369_check_if_there_is_a_valid_partition_for_the_array
2402_meeting_rooms_iii
2437_number_of_valid_clock_times
2458_height_of_binary_tree_after_subtree_removal_queries
2713_maximum-strictly-increasing-cells-in-a-matrix
2500-2999
2842_count-k-subsequences-of-a-string-with-maximum-beauty
2863_maximum_lengh_of_semi_decreasing_subarrays
500-999
0502_ipo
0503_next_greater_element_ii
0507_perfect_number
0518_coin_change_2
0521_longest_uncommon_subsequence_I
0528_random_pick_with_weight
0535_encode_and_decode_tinyURL
0537_complex-number-multiplication
0543_tree_diameter
0560_subarray_sum_equals_k
0563_binary_tree_tilt
0564_find-the-closest-palindrome
0567_permutation_in_string
0581_shortest_unsorted_continuous_subarray
0632_smallest_range_covering_elements_from_k_lists
0637_average_of_levels_in_binary_tree
0643_maximum-average-subarray-i
0645_set_mismatch
0658_find_k_closest_elements
0671_second_minimum_node_in_a_binary_tree
0674_longest_continuous_increasing_subsequence
0681_next_cosest_time
0703_kth_largest_element_in_a_stream
0706_design_hashmap
0713_subarray_product_less_than_k
0715_range_module
0718_maximum_length_of_repeated_subarray
0720_longest_word_in_dictionary
0724_find_pivot_index
0728_self_dividing_numbers
0739_daily_temperatures
0744_find_smallest_letter_greater_than_target
0746_min_cost_climbing_stairs
0759_employee_free_time
0767_reorganize_string
0771_jewels_and_stones
0784_letter_case_permutation
0792_number_of_matching_subsequences
0796_rotate_string
0797_all_paths_from_source_to_target
0818_race_car
0819_most_common_word
0832_flipping_an_image
0833_find_and_replace_in_string
0834_sum_of_distances_in_tree
0836_rectangle_overlap
0843_guess_the_word
0844_backspace_string_compare
0859_byddy_strings
0860_lemonade_change
0862_shortest_subbarray_with_sum_at_least_k
0874_walking_robot_simulation
0876_middle_of_the_linked_list
0888_fair_candy_swap
0890_find-and-replace-pattern
0895_maximum_frequency_stack
0897_increasing_order_search_tree
0900_RLE_Iterator
0911_online_election
0912_sort_an_array
0914_x_of_a_kind_in_a_deck_of_cards
0921_minimum-add-to-make-parentheses-valid
0925_long_pressed_name
0931_minimum_failing_path_sum
0934_shortest_bridge
0939_miminum_area_rectangle
0941_valid_mountain_array
0950_reveal_cards_in_increasing_order
0975_odd_even_jump
0976_largest_perimeter_triangel
0977_squares_of_a_sorted_array
0986_interval_list_intersection
0993_cousins_in_binary_tree
0997_find_the_town_judge
621_task_scheduler
665_non_decreasing_array
679_24_game
747_largest-number-at-least-twice-of-others
814_binary-tree-pruning
861_score-after-flipping-matrix
904_fruit_into_baskets
973_k_closest_points_to_origin

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL