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GrokkingTheCodingInterview
GrokkingTheCodingInterview
 
 
LeetCodeChallenge
LeetCodeChallenge
 
 
MorganStanleyOA2020
MorganStanleyOA2020
 
 
Prep
Prep
 
 
Prep2
Prep2
 
 
SQL
SQL
 
 
3Sum.cpp
3Sum.cpp
 
 
3Sum_Smaller.cpp
3Sum_Smaller.cpp
 
 
3Sum_closest.cpp
3Sum_closest.cpp
 
 
4Sum.cpp
4Sum.cpp
 
 
4Sum_ii.cpp
4Sum_ii.cpp
 
 
Diagonal_Traverse.cpp
Diagonal_Traverse.cpp
 
 
Diagonal_Traverse_II.cpp
Diagonal_Traverse_II.cpp
 
 
Eulers_totient_function.cpp
Eulers_totient_function.cpp
 
 
README.md
README.md
 
 
README2.md
README2.md
 
 
add_binary_strings.cpp
add_binary_strings.cpp
 
 
add_strings.cpp
add_strings.cpp
 
 
add_two_numbers_in_linked_list.cpp
add_two_numbers_in_linked_list.cpp
 
 
anagram.cpp
anagram.cpp
 
 
anti_diagonals.cpp
anti_diagonals.cpp
 
 
average_of_levels_in_binary_tree.cpp
average_of_levels_in_binary_tree.cpp
 
 
balanced_binary_tree.cpp
balanced_binary_tree.cpp
 
 
best_time_to_buy_and_sell_stocks.cpp
best_time_to_buy_and_sell_stocks.cpp
 
 
bfs.cpp
bfs.cpp
 
 
binary_exponentiation.cpp
binary_exponentiation.cpp
 
 
binary_tree_inorder.cpp
binary_tree_inorder.cpp
 
 
binary_tree_level_order_traversal.cpp
binary_tree_level_order_traversal.cpp
 
 
binary_tree_level_order_traversal_ii.cpp
binary_tree_level_order_traversal_ii.cpp
 
 
binary_tree_paths.cpp
binary_tree_paths.cpp
 
 
binary_tree_right_side_view.cpp
binary_tree_right_side_view.cpp
 
 
binary_tree_zig_zag_level_order_traversal.cpp
binary_tree_zig_zag_level_order_traversal.cpp
 
 
bst.cpp
bst.cpp
 
 
check_if_anagram_of_string_palindrome.cpp
check_if_anagram_of_string_palindrome.cpp
 
 
check_if_number_is_majority_element_sorted_array.cpp
check_if_number_is_majority_element_sorted_array.cpp
 
 
check_if_subarray_sum_zero_exists.cpp
check_if_subarray_sum_zero_exists.cpp
 
 
climbing_stairs.cpp
climbing_stairs.cpp
 
 
confusing_number.cpp
confusing_number.cpp
 
 
connected_components_dfs.cpp
connected_components_dfs.cpp
 
 
container_with_most_water.cpp
container_with_most_water.cpp
 
 
contains_duplicate.cpp
contains_duplicate.cpp
 
 
convert_sorted_array_to_BST.cpp
convert_sorted_array_to_BST.cpp
 
 
copy_list_with_random_pointers.cpp
copy_list_with_random_pointers.cpp
 
 
count_substrings_with_only_one_distinct_letter.cpp
count_substrings_with_only_one_distinct_letter.cpp
 
 
counting_bits.cpp
counting_bits.cpp
 
 
crop_words.cpp
crop_words.cpp
 
 
custom_sort.cpp
custom_sort.cpp
 
 
day_of_the_week.cpp
day_of_the_week.cpp
 
 
destination_city.cpp
destination_city.cpp
 
 
detect_capital.cpp
detect_capital.cpp
 
 
detect_cycle_graph_using_degree.cpp
detect_cycle_graph_using_degree.cpp
 
 
detecting_start_of_loop_linked_list.cpp
detecting_start_of_loop_linked_list.cpp
 
 
dfs.cpp
dfs.cpp
 
 
diameter_of_binary_tree.cpp
diameter_of_binary_tree.cpp
 
 
diffk.cpp
diffk.cpp
 
 
diffk2.cpp
diffk2.cpp
 
 
dijkstra.cpp
dijkstra.cpp
 
 
doubly_linked_list.cpp
doubly_linked_list.cpp
 
 
edit_distance.cpp
edit_distance.cpp
 
 
evaluate_expression.cpp
evaluate_expression.cpp
 
 
excel_sheet_column_number.cpp
excel_sheet_column_number.cpp
 
 
find_all_numbers_disappeared_in_an_array.cpp
find_all_numbers_disappeared_in_an_array.cpp
 
 
find_bottom_left_tree_value.cpp
find_bottom_left_tree_value.cpp
 
 
find_duplicate_number.cpp
find_duplicate_number.cpp
 
 
find_first_last_position_of_element_in_sorted_array.cpp
find_first_last_position_of_element_in_sorted_array.cpp
 
 
find_local_minima_array.cpp
find_local_minima_array.cpp
 
 
find_n_unique_numbers_sum_upto_zero.cpp
find_n_unique_numbers_sum_upto_zero.cpp
 
 
find_numbers_with_even_number_of_digits.cpp
find_numbers_with_even_number_of_digits.cpp
 
 
find_pair_with_given_sum.cpp
find_pair_with_given_sum.cpp
 
 
finding_xor_for_given_range.cpp
finding_xor_for_given_range.cpp
 
 
first_unique_character_in_a_string.cpp
first_unique_character_in_a_string.cpp
 
 
first_unique_number.cpp
first_unique_number.cpp
 
 
flatten_binary_tree_to_ll.cpp
flatten_binary_tree_to_ll.cpp
 
 
frequency_of_strings.cpp
frequency_of_strings.cpp
 
 
game_of_life.cpp
game_of_life.cpp
 
 
generate_parenthesis.cpp
generate_parenthesis.cpp
 
 
grid_unique_paths.cpp
grid_unique_paths.cpp
 
 
group_anagrams.cpp
group_anagrams.cpp
 
 
hamming_distance.cpp
hamming_distance.cpp
 
 
happy_number.cpp
happy_number.cpp
 
 
high_five.cpp
high_five.cpp
 
 
house_robber.cpp
house_robber.cpp
 
 
implement_queue_using_stacks.cpp
implement_queue_using_stacks.cpp
 
 
inorder_successor_bst.cpp
inorder_successor_bst.cpp
 
 
inorder_successor_bst_ii.cpp
inorder_successor_bst_ii.cpp
 
 
intersection_union_of_sorted_arrays.cpp
intersection_union_of_sorted_arrays.cpp
 
 
invert_binary_tree.cpp
invert_binary_tree.cpp
 
 
is_same_tree.cpp
is_same_tree.cpp
 
 
is_subsequence.cpp
is_subsequence.cpp
 
 
jump_game.cpp
jump_game.cpp
 
 
k_closest_points_to_origin.cpp
k_closest_points_to_origin.cpp
 
 
kth_largest_element_in_array.cpp
kth_largest_element_in_array.cpp
 
 
kth_smallest_element_in_bst.cpp
kth_smallest_element_in_bst.cpp
 
 
last_word.cpp
last_word.cpp
 
 
leftmost_column_with_atleast_a_one.cpp
leftmost_column_with_atleast_a_one.cpp
 
 
linked_list.cpp
linked_list.cpp
 
 
linked_list_cycle.cpp
linked_list_cycle.cpp
 
 
logger_rate_limit.cpp
logger_rate_limit.cpp
 
 
longest_common_prefix.cpp
longest_common_prefix.cpp
 
 
longest_common_subsequence.cpp
longest_common_subsequence.cpp
 
 

Repository files navigation

DSAPrep

Links to refer to:

https://blog.usejournal.com/500-data-structures-and-algorithms-practice-problems-35afe8a1e222

https://leetcode.com/problemset/top-interview-questions/?difficulty=Easy

My prep review material

Day 1: 24-02-20

https://www.geeksforgeeks.org/program-to-find-whether-a-no-is-power-of-two/

https://www.geeksforgeeks.org/find-second-largest-element-array/

Interview Prep

https://www.sanfoundry.com/c-mcqs-string-operations/

https://www.analyticsvidhya.com/blog/2017/09/30-questions-test-k-nearest-neighbors-algorithm/

https://www.sanfoundry.com/data-science-questions-answers-raw-processed-data/

https://www.sanfoundry.com/java-mcqs-class-fundamental-declaring-objects/

Day 2: 27-02-20

  1. Reversing the words in a given string

  2. Counting the number of set bits in an integer

Day 3: 29-02-20

  1. Repeated integer sum of digits

https://www.geeksforgeeks.org/finding-sum-of-digits-of-a-number-until-sum-becomes-single-digit/

  1. Number of Occurences of 2 as a digit in numbers from 0 to n

https://www.geeksforgeeks.org/number-of-occurrences-of-2-as-a-digit-in-numbers-from-0-to-n/

Day 4: 01-03-20

  1. Two Sum Problem

https://algodaily.com/lessons/using-the-two-pointer-technique

  1. Sum of all numbers present in a string

https://www.geeksforgeeks.org/calculate-sum-of-all-numbers-present-in-a-string/

Day 5: 16-03-20

  1. Segregate positive and negative numbers in an array in O(n)

https://www.youtube.com/watch?v=UV_NtBamWMc

  1. Max of Min pairs

https://www.geeksforgeeks.org/maximum-sum-of-minimums-of-pairs-in-an-array/

https://algodaily.com/challenges/max-of-min-pairs

Day 6 : 20-03-20

  1. QuickSort

  2. Recursive Bubble Sort

Day 7 : 25-03-20

  1. Move all zeroes present in an array to the end

https://www.techiedelight.com/move-zeros-present-array-end/

Day 8 : 26-03-20

  1. Segregate odd and even numbers in an array

https://www.geeksforgeeks.org/segregate-even-and-odd-numbers/

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