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.gitignore
.gitignore
 
 
1.two_sum.cpp
1.two_sum.cpp
 
 
10.cpp
10.cpp
 
 
105.construct_tree_from_preorder_and_inorder.cpp
105.construct_tree_from_preorder_and_inorder.cpp
 
 
108.Convert_Sorted_Array_to_Balanced_BST.cpp
108.Convert_Sorted_Array_to_Balanced_BST.cpp
 
 
113.path_sum_II.cpp
113.path_sum_II.cpp
 
 
114.cpp
114.cpp
 
 
1261.find_elements_in_a_contaminated_tree.cpp
1261.find_elements_in_a_contaminated_tree.cpp
 
 
129.sum_root_to_leaf.cpp
129.sum_root_to_leaf.cpp
 
 
15.3sum.cpp
15.3sum.cpp
 
 
16.3_sum_closest.cpp
16.3_sum_closest.cpp
 
 
2.add_two_number.cpp
2.add_two_number.cpp
 
 
20.valid_parenthese.cpp
20.valid_parenthese.cpp
 
 
22.generate_parenthese.cpp
22.generate_parenthese.cpp
 
 
23.merge_k_sorted_lists.cpp
23.merge_k_sorted_lists.cpp
 
 
25.reverse_nodes_in_k_groups.cpp
25.reverse_nodes_in_k_groups.cpp
 
 
28.implement_strstr.cpp
28.implement_strstr.cpp
 
 
3.longest_substring_without_repeating_characters.cpp
3.longest_substring_without_repeating_characters.cpp
 
 
300.longest_increasing_subsequence.cpp
300.longest_increasing_subsequence.cpp
 
 
318.maximum_product_of_word_length.cpp
318.maximum_product_of_word_length.cpp
 
 
319.bulb_switcher.cpp
319.bulb_switcher.cpp
 
 
329.longest_increasing_path_in_a_matrix.cpp
329.longest_increasing_path_in_a_matrix.cpp
 
 
33.search_in_a_rotated_array.cpp
33.search_in_a_rotated_array.cpp
 
 
337.house_robber_III.cpp
337.house_robber_III.cpp
 
 
34.search_for_a_range.cpp
34.search_for_a_range.cpp
 
 
343.integer_break.cpp
343.integer_break.cpp
 
 
354.russian_doll_envelopes.cpp
354.russian_doll_envelopes.cpp
 
 
355.design_twitter.cpp
355.design_twitter.cpp
 
 
36.valid_sudoku.cpp
36.valid_sudoku.cpp
 
 
363.cpp
363.cpp
 
 
367.valid_perfect_square.cpp
367.valid_perfect_square.cpp
 
 
368.cpp
368.cpp
 
 
37.sudoku_solver.cpp
37.sudoku_solver.cpp
 
 
373.find_K_pairs_with_smallest_sums.cpp
373.find_K_pairs_with_smallest_sums.cpp
 
 
374.guess_number_higher_or_lower.cpp
374.guess_number_higher_or_lower.cpp
 
 
375.guess_number_higher_or_lower_II.cpp
375.guess_number_higher_or_lower_II.cpp
 
 
376.wiggle_sequence.cpp
376.wiggle_sequence.cpp
 
 
382.linked_list_random_node.cpp
382.linked_list_random_node.cpp
 
 
383.ransom_note.cpp
383.ransom_note.cpp
 
 
384.shuffle_an_array.cpp
384.shuffle_an_array.cpp
 
 
385.mini_parser.cpp
385.mini_parser.cpp
 
 
389.find_the_difference.cpp
389.find_the_difference.cpp
 
 
39.combination_sum.cpp
39.combination_sum.cpp
 
 
391.perfect_rectangle.cpp
391.perfect_rectangle.cpp
 
 
4.median_of_two_sorted_array.cpp
4.median_of_two_sorted_array.cpp
 
 
40.combination_sum_II.cpp
40.combination_sum_II.cpp
 
 
41.first_missing_positive.cpp
41.first_missing_positive.cpp
 
 
45.jump_game_II.cpp
45.jump_game_II.cpp
 
 
46.permutations.cpp
46.permutations.cpp
 
 
473.matchstick_to_square.cpp
473.matchstick_to_square.cpp
 
 
48.rotate_image.cpp
48.rotate_image.cpp
 
 
481.magical_string.cpp
481.magical_string.cpp
 
 
482.cpp
482.cpp
 
 
494.target_sum.cpp
494.target_sum.cpp
 
 
5.longest_palindromic_substring.cpp
5.longest_palindromic_substring.cpp
 
 
51.nqueens.cpp
51.nqueens.cpp
 
 
525.continuous_array.cpp
525.continuous_array.cpp
 
 
539.min_time_difference.cpp
539.min_time_difference.cpp
 
 
543.diameter_of_binary_tree.cpp
543.diameter_of_binary_tree.cpp
 
 
55.jump_game.cpp
55.jump_game.cpp
 
 
557.reverse_words_in_a_string.cpp
557.reverse_words_in_a_string.cpp
 
 
572.subtree_of_another_tree.cpp
572.subtree_of_another_tree.cpp
 
 
581.shortest_unsorted_continuous_subarrays.cpp
581.shortest_unsorted_continuous_subarrays.cpp
 
 
582.kill_process.cpp
582.kill_process.cpp
 
 
583.delete_operations_for_two_strings.cpp
583.delete_operations_for_two_strings.cpp
 
 
59.spiral_matrix_II.cpp
59.spiral_matrix_II.cpp
 
 
593.valid_square.cpp
593.valid_square.cpp
 
 
594.longest_harmonious_subsequence.cpp
594.longest_harmonious_subsequence.cpp
 
 
6.zigzag.cpp
6.zigzag.cpp
 
 
99.recover_BST.cpp
99.recover_BST.cpp
 
 
README.md
README.md
 
 
misc.h
misc.h
 
 

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  1. This project contains the cpp files for leetcode problems. Almost medium to hard, small number of easy portion
  2. the misc.h file contains some common-used data structures

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My own codes of leetcode

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