code_challenges

Collection of code challenges from sources such as leetcode, Insight and "from scratch" algorithim implementations.

Contains a combination of notebook and script files. Most implementations are complete but some are still under work.

Name		Name	Last commit message	Last commit date
Latest commit History 25 Commits
.vscode		.vscode
implementations		implementations
sessions		sessions
.gitignore		.gitignore
LICENSE		LICENSE
NN.ipynb		NN.ipynb
README.md		README.md
binary search.ipynb		binary search.ipynb
dijkstra_algorithm.ipynb		dijkstra_algorithm.ipynb
ed_01_knapsack_equal_subset_dp.ipynb		ed_01_knapsack_equal_subset_dp.ipynb
ed_binary_search.ipynb		ed_binary_search.ipynb
ed_breadth_first_search.ipynb		ed_breadth_first_search.ipynb
ed_cyclic_sorts.ipynb		ed_cyclic_sorts.ipynb
ed_dfs.ipynb		ed_dfs.ipynb
ed_dp.ipynb		ed_dp.ipynb
ed_graphs.ipynb		ed_graphs.ipynb
ed_heaps.ipynb		ed_heaps.ipynb
ed_intervals.ipynb		ed_intervals.ipynb
ed_k-way-merge.ipynb		ed_k-way-merge.ipynb
ed_knapsack.ipynb		ed_knapsack.ipynb
ed_longest_common_subsequence.ipynb		ed_longest_common_subsequence.ipynb
ed_sliding_window.ipynb		ed_sliding_window.ipynb
ed_subsets_permutations.ipynb		ed_subsets_permutations.ipynb
ed_two_heaps.ipynb		ed_two_heaps.ipynb
ed_two_pointers.ipynb		ed_two_pointers.ipynb
ed_unbounded_knapsack_dp.ipynb		ed_unbounded_knapsack_dp.ipynb
fibonacci_sequence.ipynb		fibonacci_sequence.ipynb
hr_minimum_distances.ipynb		hr_minimum_distances.ipynb
hr_repeated_string.ipynb		hr_repeated_string.ipynb
insertion sort.ipynb		insertion sort.ipynb
insight_blackjack.ipynb		insight_blackjack.ipynb
insight_closest_k_vectors.ipynb		insight_closest_k_vectors.ipynb
insight_connect_four.py		insight_connect_four.py
insight_k_means.ipynb		insight_k_means.ipynb
insight_meeting_rooms.ipynb		insight_meeting_rooms.ipynb
insight_minesweeper.ipynb		insight_minesweeper.ipynb
kmeans.ipynb		kmeans.ipynb
linear_regression.ipynb		linear_regression.ipynb
logistic_regression.ipynb		logistic_regression.ipynb
logistic_regression_hebbian.py		logistic_regression_hebbian.py
lt1005_max_sum_after_negation_max_heap.ipynb		lt1005_max_sum_after_negation_max_heap.ipynb
lt100_same_tree.ipynb		lt100_same_tree.ipynb
lt101_symmetric_trees.ipynb		lt101_symmetric_trees.ipynb
lt104_max_depth_of_binary_tree.ipynb		lt104_max_depth_of_binary_tree.ipynb
lt1089_duplicate_zeros_recursion.ipynb		lt1089_duplicate_zeros_recursion.ipynb
lt1143_longest_sub_sequence_dp.ipynb		lt1143_longest_sub_sequence_dp.ipynb
lt1160_Find Words That Can Be Formed by Characters.ipynb		lt1160_Find Words That Can Be Formed by Characters.ipynb
lt1189_max_baloons.ipynb		lt1189_max_baloons.ipynb
lt118_pascal's traingle_dp.ipynb		lt118_pascal's traingle_dp.ipynb
lt121_best_time_to_buy_stocks.ipynb		lt121_best_time_to_buy_stocks.ipynb
lt1233_Remove Sub-Folders from the Filesystem.ipynb		lt1233_Remove Sub-Folders from the Filesystem.ipynb
lt1260_shift_2d_grid_matrix.ipynb		lt1260_shift_2d_grid_matrix.ipynb
lt1275_tictactoe_winner.ipynb		lt1275_tictactoe_winner.ipynb
lt1380_lucky_numbers_transpose_matrix.ipynb		lt1380_lucky_numbers_transpose_matrix.ipynb
lt139_word_break.ipynb		lt139_word_break.ipynb
lt1456_sliding_window_maximum_vowels.ipynb		lt1456_sliding_window_maximum_vowels.ipynb
lt1470_shuffle_the_array.ipynb		lt1470_shuffle_the_array.ipynb
lt14_longest_common_prefix.ipynb		lt14_longest_common_prefix.ipynb
lt1518_water_bottles.ipynb		lt1518_water_bottles.ipynb
lt1560_most_visited_sector_INCOMPLETE.ipynb		lt1560_most_visited_sector_INCOMPLETE.ipynb
lt172_factorial_trailing_zeroes.ipynb		lt172_factorial_trailing_zeroes.ipynb
lt17_letter_combinations.ipynb		lt17_letter_combinations.ipynb
lt191_number_of_one_bits_binary.ipynb		lt191_number_of_one_bits_binary.ipynb
lt198_house_robber_dynamic_programming.ipynb		lt198_house_robber_dynamic_programming.ipynb
lt1_two_sum.ipynb		lt1_two_sum.ipynb
lt200_number_of_islands_dfs_bfs.ipynb		lt200_number_of_islands_dfs_bfs.ipynb
lt206_reverse_linked_list.ipynb		lt206_reverse_linked_list.ipynb
lt207_course_schedule.ipynb		lt207_course_schedule.ipynb
lt219_max_sum_subarray_kadane_algo.ipynb		lt219_max_sum_subarray_kadane_algo.ipynb
lt226_invert_binary_tree.ipynb		lt226_invert_binary_tree.ipynb
lt231_power_of_2.ipynb		lt231_power_of_2.ipynb
lt236_lowest_common_ancestor_binary_tree.ipynb		lt236_lowest_common_ancestor_binary_tree.ipynb
lt263_ugly_number.ipynb		lt263_ugly_number.ipynb
lt268_missing_number.ipynb		lt268_missing_number.ipynb
lt29_divide_integers.ipynb		lt29_divide_integers.ipynb
lt2_add_two_numbers.ipynb		lt2_add_two_numbers.ipynb
lt328_odd_even_linked_lists.ipynb		lt328_odd_even_linked_lists.ipynb
lt337_house_robber_III.ipynb		lt337_house_robber_III.ipynb
lt35_search_insert_position_binary_search.ipynb		lt35_search_insert_position_binary_search.ipynb
lt373_Find K Pairs with Smallest Sums_min_heap.ipynb		lt373_Find K Pairs with Smallest Sums_min_heap.ipynb
lt3_longest_substring.ipynb		lt3_longest_substring.ipynb
lt409_longest_palindrome.ipynb		lt409_longest_palindrome.ipynb
lt455_assign_cookies.ipynb		lt455_assign_cookies.ipynb
lt475_heaters_radius.ipynb		lt475_heaters_radius.ipynb
lt494_target_sum.ipynb		lt494_target_sum.ipynb
lt4_median_sorted_arrays.ipynb		lt4_median_sorted_arrays.ipynb
lt503_next_greater_sum2.ipynb		lt503_next_greater_sum2.ipynb
lt540_single_element_in_sorted_array_binary_search.ipynb		lt540_single_element_in_sorted_array_binary_search.ipynb
lt566_reshape_amtrix.ipynb		lt566_reshape_amtrix.ipynb
lt572_subtree_of_another_tree.ipynb		lt572_subtree_of_another_tree.ipynb
lt589_pre_order_tree_n-ray.ipynb		lt589_pre_order_tree_n-ray.ipynb
lt590_post_order_tree_n-ary.ipynb		lt590_post_order_tree_n-ary.ipynb
lt637_average_of_level_bfs.ipynb		lt637_average_of_level_bfs.ipynb
lt64_minimum_path_sum_dp.ipynb		lt64_minimum_path_sum_dp.ipynb
lt692_topk_most_freq_words_heap.ipynb		lt692_topk_most_freq_words_heap.ipynb
lt703_kth_largest_stream.ipynb		lt703_kth_largest_stream.ipynb
lt743_network_delay_time_dijkstra_algo.ipynb		lt743_network_delay_time_dijkstra_algo.ipynb
lt76_minimum_window_substring.ipynb		lt76_minimum_window_substring.ipynb
lt787_cheapest_flights_dijkstra_algo.ipynb		lt787_cheapest_flights_dijkstra_algo.ipynb
lt79_word_search.ipynb		lt79_word_search.ipynb

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