Skip to content

Updated readme #1751

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 1, 2024
Merged

Updated readme #1751

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
288 changes: 144 additions & 144 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,6 @@ implementation 'com.github.javadev:leetcode-in-java:1.31'
> ["For coding interview preparation, LeetCode is one of the best online resource providing a rich library of more than 300 real coding interview questions for you to practice from using one of the 7 supported languages - C, C++, Java, Python, C#, JavaScript, Ruby."](https://www.quora.com/How-effective-is-Leetcode-for-preparing-for-technical-interviews)
##
* [Programming Skills II](#programming-skills-ii)
* [Graph Theory I](#graph-theory-i)
* [SQL I](#sql-i)
* [Level 1](#level-1)
Expand All @@ -48,149 +47,7 @@ implementation 'com.github.javadev:leetcode-in-java:1.31'
* [Binary Search II](#binary-search-ii)
* [Dynamic Programming I](#dynamic-programming-i)
* [Programming Skills I](#programming-skills-i)

### Programming Skills II

#### Day 1

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0896 |[Monotonic Array](src/main/java/g0801_0900/s0896_monotonic_array/Solution.java)| Easy | Array | 2 | 86.21
| 0028 |[Implement strStr()](src/main/java/g0001_0100/s0028_find_the_index_of_the_first_occurrence_in_a_string/Solution.java)| Easy | Top_Interview_Questions, String, Two_Pointers, String_Matching | 0 | 100.00

#### Day 2

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0110 |[Balanced Binary Tree](src/main/java/g0101_0200/s0110_balanced_binary_tree/Solution.java)| Easy | Depth_First_Search, Tree, Binary_Tree | 1 | 98.82
| 0459 |[Repeated Substring Pattern](src/main/java/g0401_0500/s0459_repeated_substring_pattern/Solution.java)| Easy | String, String_Matching | 8 | 96.64

#### Day 3

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0150 |[Evaluate Reverse Polish Notation](src/main/java/g0101_0200/s0150_evaluate_reverse_polish_notation/Solution.java)| Medium | Top_Interview_Questions, Array, Math, Stack | 9 | 51.23
| 0066 |[Plus One](src/main/java/g0001_0100/s0066_plus_one/Solution.java)| Easy | Top_Interview_Questions, Array, Math | 0 | 100.00

#### Day 4

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 1367 |[Linked List in Binary Tree](src/main/java/g1301_1400/s1367_linked_list_in_binary_tree/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Linked_List | 2 | 61.23
| 0043 |[Multiply Strings](src/main/java/g0001_0100/s0043_multiply_strings/Solution.java)| Medium | String, Math, Simulation | 1 | 100.00

#### Day 5

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0067 |[Add Binary](src/main/java/g0001_0100/s0067_add_binary/Solution.java)| Easy | String, Math, Bit_Manipulation, Simulation | 1 | 100.00
| 0989 |[Add to Array-Form of Integer](src/main/java/g0901_1000/s0989_add_to_array_form_of_integer/Solution.java)| Easy | Array, Math | 7 | 65.92

#### Day 6

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0739 |[Daily Temperatures](src/main/java/g0701_0800/s0739_daily_temperatures/Solution.java)| Medium | Top_100_Liked_Questions, Array, Stack, Monotonic_Stack, Big_O_Time_O(n)_Space_O(n) | 10 | 94.99
| 0058 |[Length of Last Word](src/main/java/g0001_0100/s0058_length_of_last_word/Solution.java)| Easy | String | 0 | 100.00

#### Day 7

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0048 |[Rotate Image](src/main/java/g0001_0100/s0048_rotate_image/Solution.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Math, Matrix, Big_O_Time_O(n^2)_Space_O(1) | 0 | 100.00
| 1886 |[Determine Whether Matrix Can Be Obtained By Rotation](src/main/java/g1801_1900/s1886_determine_whether_matrix_can_be_obtained_by_rotation/Solution.java)| Easy | Array, Matrix | 1 | 78.38

#### Day 8

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0054 |[Spiral Matrix](src/main/java/g0001_0100/s0054_spiral_matrix/Solution.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Matrix, Simulation | 0 | 100.00
| 0973 |[K Closest Points to Origin](src/main/java/g0901_1000/s0973_k_closest_points_to_origin/Solution.java)| Medium | Array, Math, Sorting, Heap_Priority_Queue, Divide_and_Conquer, Geometry, Quickselect | 4 | 98.26

#### Day 9

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 1630 |[Arithmetic Subarrays](src/main/java/g1601_1700/s1630_arithmetic_subarrays/Solution.java)| Medium | Array, Sorting | 8 | 93.62
| 0429 |[N-ary Tree Level Order Traversal](src/main/java/g0401_0500/s0429_n_ary_tree_level_order_traversal/Solution.java)| Medium | Breadth_First_Search, Tree | 3 | 80.26

#### Day 10

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0503 |[Next Greater Element II](src/main/java/g0501_0600/s0503_next_greater_element_ii/Solution.java)| Medium | Array, Stack, Monotonic_Stack | 7 | 97.03
| 0556 |[Next Greater Element III](src/main/java/g0501_0600/s0556_next_greater_element_iii/Solution.java)| Medium | String, Math, Two_Pointers | 0 | 100.00

#### Day 11

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 1376 |[Time Needed to Inform All Employees](src/main/java/g1301_1400/s1376_time_needed_to_inform_all_employees/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Tree | 8 | 99.85
| 0049 |[Group Anagrams](src/main/java/g0001_0100/s0049_group_anagrams/Solution.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, String, Hash_Table, Sorting, Big_O_Time_O(n\*k_log_k)_Space_O(n) | 6 | 92.28

#### Day 12

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0438 |[Find All Anagrams in a String](src/main/java/g0401_0500/s0438_find_all_anagrams_in_a_string/Solution.java)| Medium | Top_100_Liked_Questions, String, Hash_Table, Sliding_Window, Big_O_Time_O(n+m)_Space_O(1) | 6 | 99.03
| 0713 |[Subarray Product Less Than K](src/main/java/g0701_0800/s0713_subarray_product_less_than_k/Solution.java)| Medium | Array, Sliding_Window | 8 | 39.00

#### Day 13

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0304 |[Range Sum Query 2D - Immutable](src/main/java/g0301_0400/s0304_range_sum_query_2d_immutable/NumMatrix.java)| Medium | Array, Matrix, Design, Prefix_Sum | 153 | 87.51
| 0910 |[Smallest Range II](src/main/java/g0901_1000/s0910_smallest_range_ii/Solution.java)| Medium | Array, Math, Sorting, Greedy | 10 | 73.16

#### Day 14

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0143 |[Reorder List](src/main/java/g0101_0200/s0143_reorder_list/Solution.java)| Medium | Two_Pointers, Stack, Linked_List, Recursion | 2 | 72.59
| 0138 |[Copy List with Random Pointer](src/main/java/g0101_0200/s0138_copy_list_with_random_pointer/Solution.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Linked_List, Big_O_Time_O(N)_Space_O(N) | 0 | 100.00

#### Day 15

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0002 |[Add Two Numbers](src/main/java/g0001_0100/s0002_add_two_numbers/Solution.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Math, Linked_List, Recursion, Big_O_Time_O(max(N,M))_Space_O(max(N,M)) | 1 | 100.00
| 0445 |[Add Two Numbers II](src/main/java/g0401_0500/s0445_add_two_numbers_ii/Solution.java)| Medium | Math, Stack, Linked_List | 3 | 90.38

#### Day 16

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0061 |[Rotate List](src/main/java/g0001_0100/s0061_rotate_list/Solution.java)| Medium | Two_Pointers, Linked_List | 0 | 100.00
| 0173 |[Binary Search Tree Iterator](src/main/java/g0101_0200/s0173_binary_search_tree_iterator/BSTIterator.java)| Medium | Tree, Binary_Tree, Stack, Design, Binary_Search_Tree, Iterator | 18 | 84.18

#### Day 17

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 1845 |[Seat Reservation Manager](src/main/java/g1801_1900/s1845_seat_reservation_manager/SeatManager.java)| Medium | Design, Heap_Priority_Queue | 47 | 87.63
| 0860 |[Lemonade Change](src/main/java/g0801_0900/s0860_lemonade_change/Solution.java)| Easy | Array, Greedy | 2 | 90.84

#### Day 18

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0155 |[Min Stack](src/main/java/g0101_0200/s0155_min_stack/MinStack.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Stack, Design, Big_O_Time_O(1)_Space_O(N) | 3 | 100.00
| 0341 |[Flatten Nested List Iterator](src/main/java/g0301_0400/s0341_flatten_nested_list_iterator/NestedIterator.java)| Medium | Depth_First_Search, Tree, Stack, Design, Queue, Iterator | 2 | 99.95

#### Day 19

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 1797 |[Design Authentication Manager](src/main/java/g1701_1800/s1797_design_authentication_manager/AuthenticationManager.java)| Medium | Hash_Table, Design | 41 | 92.67
| 0707 |[Design Linked List](src/main/java/g0701_0800/s0707_design_linked_list/MyLinkedList.java)| Medium | Design, Linked_List | 10 | 70.60

#### Day 20

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0380 |[Insert Delete GetRandom O(1)](src/main/java/g0301_0400/s0380_insert_delete_getrandom_o1/RandomizedSet.java)| Medium | Array, Hash_Table, Math, Design, Randomized | 27 | 93.44
| 0622 |[Design Circular Queue](src/main/java/g0601_0700/s0622_design_circular_queue/MyCircularQueue.java)| Medium | Array, Design, Linked_List, Queue | 3 | 100.00
| 0729 |[My Calendar I](src/main/java/g0701_0800/s0729_my_calendar_i/MyCalendar.java)| Medium | Binary_Search, Design, Ordered_Set, Segment_Tree | 17 | 97.23
* [Programming Skills II](#programming-skills-ii)

### Graph Theory I

Expand Down Expand Up @@ -1844,6 +1701,149 @@ implementation 'com.github.javadev:leetcode-in-java:1.31'
| 1603 |[Design Parking System](src/main/java/g1601_1700/s1603_design_parking_system/ParkingSystem.java)| Easy | Design, Simulation, Counting | 8 | 76.16
| 0303 |[Range Sum Query - Immutable](src/main/java/g0301_0400/s0303_range_sum_query_immutable/NumArray.java)| Easy | Array, Design, Prefix_Sum | 7 | 100.00

### Programming Skills II

#### Day 1

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0896 |[Monotonic Array](src/main/java/g0801_0900/s0896_monotonic_array/Solution.java)| Easy | Array | 2 | 86.21
| 0028 |[Implement strStr()](src/main/java/g0001_0100/s0028_find_the_index_of_the_first_occurrence_in_a_string/Solution.java)| Easy | Top_Interview_Questions, String, Two_Pointers, String_Matching | 0 | 100.00

#### Day 2

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0110 |[Balanced Binary Tree](src/main/java/g0101_0200/s0110_balanced_binary_tree/Solution.java)| Easy | Depth_First_Search, Tree, Binary_Tree | 1 | 98.82
| 0459 |[Repeated Substring Pattern](src/main/java/g0401_0500/s0459_repeated_substring_pattern/Solution.java)| Easy | String, String_Matching | 8 | 96.64

#### Day 3

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0150 |[Evaluate Reverse Polish Notation](src/main/java/g0101_0200/s0150_evaluate_reverse_polish_notation/Solution.java)| Medium | Top_Interview_Questions, Array, Math, Stack | 9 | 51.23
| 0066 |[Plus One](src/main/java/g0001_0100/s0066_plus_one/Solution.java)| Easy | Top_Interview_Questions, Array, Math | 0 | 100.00

#### Day 4

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 1367 |[Linked List in Binary Tree](src/main/java/g1301_1400/s1367_linked_list_in_binary_tree/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Linked_List | 2 | 61.23
| 0043 |[Multiply Strings](src/main/java/g0001_0100/s0043_multiply_strings/Solution.java)| Medium | String, Math, Simulation | 1 | 100.00

#### Day 5

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0067 |[Add Binary](src/main/java/g0001_0100/s0067_add_binary/Solution.java)| Easy | String, Math, Bit_Manipulation, Simulation | 1 | 100.00
| 0989 |[Add to Array-Form of Integer](src/main/java/g0901_1000/s0989_add_to_array_form_of_integer/Solution.java)| Easy | Array, Math | 7 | 65.92

#### Day 6

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0739 |[Daily Temperatures](src/main/java/g0701_0800/s0739_daily_temperatures/Solution.java)| Medium | Top_100_Liked_Questions, Array, Stack, Monotonic_Stack, Big_O_Time_O(n)_Space_O(n) | 10 | 94.99
| 0058 |[Length of Last Word](src/main/java/g0001_0100/s0058_length_of_last_word/Solution.java)| Easy | String | 0 | 100.00

#### Day 7

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0048 |[Rotate Image](src/main/java/g0001_0100/s0048_rotate_image/Solution.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Math, Matrix, Big_O_Time_O(n^2)_Space_O(1) | 0 | 100.00
| 1886 |[Determine Whether Matrix Can Be Obtained By Rotation](src/main/java/g1801_1900/s1886_determine_whether_matrix_can_be_obtained_by_rotation/Solution.java)| Easy | Array, Matrix | 1 | 78.38

#### Day 8

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0054 |[Spiral Matrix](src/main/java/g0001_0100/s0054_spiral_matrix/Solution.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Matrix, Simulation | 0 | 100.00
| 0973 |[K Closest Points to Origin](src/main/java/g0901_1000/s0973_k_closest_points_to_origin/Solution.java)| Medium | Array, Math, Sorting, Heap_Priority_Queue, Divide_and_Conquer, Geometry, Quickselect | 4 | 98.26

#### Day 9

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 1630 |[Arithmetic Subarrays](src/main/java/g1601_1700/s1630_arithmetic_subarrays/Solution.java)| Medium | Array, Sorting | 8 | 93.62
| 0429 |[N-ary Tree Level Order Traversal](src/main/java/g0401_0500/s0429_n_ary_tree_level_order_traversal/Solution.java)| Medium | Breadth_First_Search, Tree | 3 | 80.26

#### Day 10

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0503 |[Next Greater Element II](src/main/java/g0501_0600/s0503_next_greater_element_ii/Solution.java)| Medium | Array, Stack, Monotonic_Stack | 7 | 97.03
| 0556 |[Next Greater Element III](src/main/java/g0501_0600/s0556_next_greater_element_iii/Solution.java)| Medium | String, Math, Two_Pointers | 0 | 100.00

#### Day 11

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 1376 |[Time Needed to Inform All Employees](src/main/java/g1301_1400/s1376_time_needed_to_inform_all_employees/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Tree | 8 | 99.85
| 0049 |[Group Anagrams](src/main/java/g0001_0100/s0049_group_anagrams/Solution.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, String, Hash_Table, Sorting, Big_O_Time_O(n\*k_log_k)_Space_O(n) | 6 | 92.28

#### Day 12

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0438 |[Find All Anagrams in a String](src/main/java/g0401_0500/s0438_find_all_anagrams_in_a_string/Solution.java)| Medium | Top_100_Liked_Questions, String, Hash_Table, Sliding_Window, Big_O_Time_O(n+m)_Space_O(1) | 6 | 99.03
| 0713 |[Subarray Product Less Than K](src/main/java/g0701_0800/s0713_subarray_product_less_than_k/Solution.java)| Medium | Array, Sliding_Window | 8 | 39.00

#### Day 13

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0304 |[Range Sum Query 2D - Immutable](src/main/java/g0301_0400/s0304_range_sum_query_2d_immutable/NumMatrix.java)| Medium | Array, Matrix, Design, Prefix_Sum | 153 | 87.51
| 0910 |[Smallest Range II](src/main/java/g0901_1000/s0910_smallest_range_ii/Solution.java)| Medium | Array, Math, Sorting, Greedy | 10 | 73.16

#### Day 14

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0143 |[Reorder List](src/main/java/g0101_0200/s0143_reorder_list/Solution.java)| Medium | Two_Pointers, Stack, Linked_List, Recursion | 2 | 72.59
| 0138 |[Copy List with Random Pointer](src/main/java/g0101_0200/s0138_copy_list_with_random_pointer/Solution.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Linked_List, Big_O_Time_O(N)_Space_O(N) | 0 | 100.00

#### Day 15

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0002 |[Add Two Numbers](src/main/java/g0001_0100/s0002_add_two_numbers/Solution.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Math, Linked_List, Recursion, Big_O_Time_O(max(N,M))_Space_O(max(N,M)) | 1 | 100.00
| 0445 |[Add Two Numbers II](src/main/java/g0401_0500/s0445_add_two_numbers_ii/Solution.java)| Medium | Math, Stack, Linked_List | 3 | 90.38

#### Day 16

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0061 |[Rotate List](src/main/java/g0001_0100/s0061_rotate_list/Solution.java)| Medium | Two_Pointers, Linked_List | 0 | 100.00
| 0173 |[Binary Search Tree Iterator](src/main/java/g0101_0200/s0173_binary_search_tree_iterator/BSTIterator.java)| Medium | Tree, Binary_Tree, Stack, Design, Binary_Search_Tree, Iterator | 18 | 84.18

#### Day 17

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 1845 |[Seat Reservation Manager](src/main/java/g1801_1900/s1845_seat_reservation_manager/SeatManager.java)| Medium | Design, Heap_Priority_Queue | 47 | 87.63
| 0860 |[Lemonade Change](src/main/java/g0801_0900/s0860_lemonade_change/Solution.java)| Easy | Array, Greedy | 2 | 90.84

#### Day 18

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0155 |[Min Stack](src/main/java/g0101_0200/s0155_min_stack/MinStack.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Stack, Design, Big_O_Time_O(1)_Space_O(N) | 3 | 100.00
| 0341 |[Flatten Nested List Iterator](src/main/java/g0301_0400/s0341_flatten_nested_list_iterator/NestedIterator.java)| Medium | Depth_First_Search, Tree, Stack, Design, Queue, Iterator | 2 | 99.95

#### Day 19

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 1797 |[Design Authentication Manager](src/main/java/g1701_1800/s1797_design_authentication_manager/AuthenticationManager.java)| Medium | Hash_Table, Design | 41 | 92.67
| 0707 |[Design Linked List](src/main/java/g0701_0800/s0707_design_linked_list/MyLinkedList.java)| Medium | Design, Linked_List | 10 | 70.60

#### Day 20

| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
|-|-|-|-|-|-
| 0380 |[Insert Delete GetRandom O(1)](src/main/java/g0301_0400/s0380_insert_delete_getrandom_o1/RandomizedSet.java)| Medium | Array, Hash_Table, Math, Design, Randomized | 27 | 93.44
| 0622 |[Design Circular Queue](src/main/java/g0601_0700/s0622_design_circular_queue/MyCircularQueue.java)| Medium | Array, Design, Linked_List, Queue | 3 | 100.00
| 0729 |[My Calendar I](src/main/java/g0701_0800/s0729_my_calendar_i/MyCalendar.java)| Medium | Binary_Search, Design, Ordered_Set, Segment_Tree | 17 | 97.23

## Contributing
Your ideas/fixes/algorithms are more than welcome!

Expand Down
Loading