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‎README.md‎

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[![](https://img.shields.io/github/forks/javadev/LeetCode-in-Java?label=Fork%20me%20on%20GitHub%20&style=flat-square)](https://github.com/javadev/LeetCode-in-Java/fork)
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> ["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)
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* [Programming Skills II](#programming-skills-ii)
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* [Graph Theory I](#graph-theory-i)
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* [SQL I](#sql-i)
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* [Level 1](#level-1)
@@ -16,149 +15,7 @@
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* [Binary Search II](#binary-search-ii)
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* [Dynamic Programming I](#dynamic-programming-i)
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* [Programming Skills I](#programming-skills-i)
19-
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### Programming Skills II
21-
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#### Day 1
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0896 |[Monotonic Array](src/main/java/g0801_0900/s0896_monotonic_array)| Easy | Array | 2 | 86.21
27-
| 0028 |[Implement strStr()](src/main/java/g0001_0100/s0028_implement_strstr)| Easy | Top_Interview_Questions, String, Two_Pointers, String_Matching | 0 | 100.00
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#### Day 2
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0110 |[Balanced Binary Tree](src/main/java/g0101_0200/s0110_balanced_binary_tree)| Easy | Depth_First_Search, Tree, Binary_Tree | 1 | 98.82
34-
| 0459 |[Repeated Substring Pattern](src/main/java/g0401_0500/s0459_repeated_substring_pattern)| Easy | String, String_Matching | 8 | 96.64
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#### Day 3
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0150 |[Evaluate Reverse Polish Notation](src/main/java/g0101_0200/s0150_evaluate_reverse_polish_notation)| Medium | Top_Interview_Questions, Array, Math, Stack | 9 | 51.23
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| 0066 |[Plus One](src/main/java/g0001_0100/s0066_plus_one)| Easy | Top_Interview_Questions, Array, Math | 0 | 100.00
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#### Day 4
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1367 |[Linked List in Binary Tree](src/main/java/g1301_1400/s1367_linked_list_in_binary_tree)| Medium | Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Linked_List | 2 | 61.23
48-
| 0043 |[Multiply Strings](src/main/java/g0001_0100/s0043_multiply_strings)| Medium | String, Math, Simulation | 2 | 99.84
49-
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#### Day 5
51-
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0067 |[Add Binary](src/main/java/g0001_0100/s0067_add_binary)| Easy | String, Math, Bit_Manipulation, Simulation | 2 | 88.95
55-
| 0989 |[Add to Array-Form of Integer](src/main/java/g0901_1000/s0989_add_to_array_form_of_integer)| Easy | Array, Math | 7 | 65.92
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#### Day 6
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0739 |[Daily Temperatures](src/main/java/g0701_0800/s0739_daily_temperatures)| Medium | Top_100_Liked_Questions, Array, Stack, Monotonic_Stack | 10 | 94.99
62-
| 0058 |[Length of Last Word](src/main/java/g0001_0100/s0058_length_of_last_word)| Easy | String | 0 | 100.00
63-
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#### Day 7
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0048 |[Rotate Image](src/main/java/g0001_0100/s0048_rotate_image)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Math, Matrix | 0 | 100.00
69-
| 1886 |[Determine Whether Matrix Can Be Obtained By Rotation](src/main/java/g1801_1900/s1886_determine_whether_matrix_can_be_obtained_by_rotation)| Easy | Array, Matrix | 1 | 78.38
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#### Day 8
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0054 |[Spiral Matrix](src/main/java/g0001_0100/s0054_spiral_matrix)| Medium | Top_Interview_Questions, Array, Matrix, Simulation | 0 | 100.00
76-
| 0973 |[K Closest Points to Origin](src/main/java/g0901_1000/s0973_k_closest_points_to_origin)| Medium | Array, Math, Sorting, Heap_Priority_Queue, Divide_and_Conquer, Geometry, Quickselect | 4 | 98.26
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#### Day 9
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1630 |[Arithmetic Subarrays](src/main/java/g1601_1700/s1630_arithmetic_subarrays)| Medium | Array, Sorting | 8 | 93.62
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| 0429 |[N-ary Tree Level Order Traversal](src/main/java/g0401_0500/s0429_n_ary_tree_level_order_traversal)| Medium | Breadth_First_Search, Tree | 3 | 80.26
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#### Day 10
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0503 |[Next Greater Element II](src/main/java/g0501_0600/s0503_next_greater_element_ii)| Medium | Array, Stack, Monotonic_Stack | 7 | 97.03
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| 0556 |[Next Greater Element III](src/main/java/g0501_0600/s0556_next_greater_element_iii)| Medium | String, Math, Two_Pointers | 0 | 100.00
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#### Day 11
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1376 |[Time Needed to Inform All Employees](src/main/java/g1301_1400/s1376_time_needed_to_inform_all_employees)| Medium | Depth_First_Search, Breadth_First_Search, Tree | 225 | 22.36
97-
| 0049 |[Group Anagrams](src/main/java/g0001_0100/s0049_group_anagrams)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, String, Hash_Table, Sorting | 11 | 71.16
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#### Day 12
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0438 |[Find All Anagrams in a String](src/main/java/g0401_0500/s0438_find_all_anagrams_in_a_string)| Medium | Top_100_Liked_Questions, String, Hash_Table, Sliding_Window | 6 | 99.03
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| 0713 |[Subarray Product Less Than K](src/main/java/g0701_0800/s0713_subarray_product_less_than_k)| Medium | Array, Sliding_Window | 8 | 39.00
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#### Day 13
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0304 |[Range Sum Query 2D - Immutable](src/main/java/g0301_0400/s0304_range_sum_query_2d_immutable)| Medium | Array, Matrix, Design, Prefix_Sum | 153 | 87.51
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| 0910 |[Smallest Range II](src/main/java/g0901_1000/s0910_smallest_range_ii)| Medium | Array, Math, Sorting, Greedy | 10 | 73.16
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#### Day 14
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0143 |[Reorder List](src/main/java/g0101_0200/s0143_reorder_list)| Medium | Two_Pointers, Stack, Linked_List, Recursion | 2 | 72.59
118-
| 0138 |[Copy List with Random Pointer](src/main/java/g0101_0200/s0138_copy_list_with_random_pointer)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Linked_List | 0 | 100.00
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#### Day 15
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0002 |[Add Two Numbers](src/main/java/g0001_0100/s0002_add_two_numbers)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Math, Linked_List, Recursion | 2 | 98.23
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| 0445 |[Add Two Numbers II](src/main/java/g0401_0500/s0445_add_two_numbers_ii)| Medium | Math, Stack, Linked_List | 3 | 90.38
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#### Day 16
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0061 |[Rotate List](src/main/java/g0001_0100/s0061_rotate_list)| Medium | Two_Pointers, Linked_List | 0 | 100.00
132-
| 0173 |[Binary Search Tree Iterator](src/main/java/g0101_0200/s0173_binary_search_tree_iterator)| Medium | Tree, Binary_Tree, Stack, Design, Binary_Search_Tree, Iterator | 18 | 84.18
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#### Day 17
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1845 |[Seat Reservation Manager](src/main/java/g1801_1900/s1845_seat_reservation_manager)| Medium | Design, Heap_Priority_Queue | 47 | 87.63
139-
| 0860 |[Lemonade Change](src/main/java/g0801_0900/s0860_lemonade_change)| Easy | Array, Greedy | 2 | 90.84
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#### Day 18
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0155 |[Min Stack](src/main/java/g0101_0200/s0155_min_stack)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Stack, Design | 3 | 100.00
146-
| 0341 |[Flatten Nested List Iterator](src/main/java/g0301_0400/s0341_flatten_nested_list_iterator)| Medium | Top_Interview_Questions, Depth_First_Search, Tree, Stack, Design, Queue, Iterator | 2 | 99.95
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#### Day 19
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1797 |[Design Authentication Manager](src/main/java/g1701_1800/s1797_design_authentication_manager)| Medium | Hash_Table, Design | 41 | 92.67
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| 0707 |[Design Linked List](src/main/java/g0701_0800/s0707_design_linked_list)| Medium | Design, Linked_List | 10 | 70.60
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#### Day 20
156-
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
158-
|-|-|-|-|-|-
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| 0380 |[Insert Delete GetRandom O(1)](src/main/java/g0301_0400/s0380_insert_delete_getrandom_o1)| Medium | Top_Interview_Questions, Array, Hash_Table, Math, Design, Randomized | 27 | 93.44
160-
| 0622 |[Design Circular Queue](src/main/java/g0601_0700/s0622_design_circular_queue)| Medium | Array, Design, Linked_List, Queue | 3 | 100.00
161-
| 0729 |[My Calendar I](src/main/java/g0701_0800/s0729_my_calendar_i)| Medium | Binary_Search, Design, Ordered_Set, Segment_Tree | 17 | 97.23
18+
* [Programming Skills II](#programming-skills-ii)
16219

16320
### Graph Theory I
16421

@@ -1812,10 +1669,157 @@
18121669
| 1603 |[Design Parking System](src/main/java/g1601_1700/s1603_design_parking_system)| Easy | Design, Simulation, Counting | 8 | 76.16
18131670
| 0303 |[Range Sum Query - Immutable](src/main/java/g0301_0400/s0303_range_sum_query_immutable)| Easy | Array, Design, Prefix_Sum | 7 | 100.00
18141671

1672+
### Programming Skills II
1673+
1674+
#### Day 1
1675+
1676+
| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
1677+
|-|-|-|-|-|-
1678+
| 0896 |[Monotonic Array](src/main/java/g0801_0900/s0896_monotonic_array)| Easy | Array | 2 | 86.21
1679+
| 0028 |[Implement strStr()](src/main/java/g0001_0100/s0028_implement_strstr)| Easy | Top_Interview_Questions, String, Two_Pointers, String_Matching | 0 | 100.00
1680+
1681+
#### Day 2
1682+
1683+
| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
1684+
|-|-|-|-|-|-
1685+
| 0110 |[Balanced Binary Tree](src/main/java/g0101_0200/s0110_balanced_binary_tree)| Easy | Depth_First_Search, Tree, Binary_Tree | 1 | 98.82
1686+
| 0459 |[Repeated Substring Pattern](src/main/java/g0401_0500/s0459_repeated_substring_pattern)| Easy | String, String_Matching | 8 | 96.64
1687+
1688+
#### Day 3
1689+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
1691+
|-|-|-|-|-|-
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| 0150 |[Evaluate Reverse Polish Notation](src/main/java/g0101_0200/s0150_evaluate_reverse_polish_notation)| Medium | Top_Interview_Questions, Array, Math, Stack | 9 | 51.23
1693+
| 0066 |[Plus One](src/main/java/g0001_0100/s0066_plus_one)| Easy | Top_Interview_Questions, Array, Math | 0 | 100.00
1694+
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#### Day 4
1696+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
1698+
|-|-|-|-|-|-
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| 1367 |[Linked List in Binary Tree](src/main/java/g1301_1400/s1367_linked_list_in_binary_tree)| Medium | Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Linked_List | 2 | 61.23
1700+
| 0043 |[Multiply Strings](src/main/java/g0001_0100/s0043_multiply_strings)| Medium | String, Math, Simulation | 2 | 99.84
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#### Day 5
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0067 |[Add Binary](src/main/java/g0001_0100/s0067_add_binary)| Easy | String, Math, Bit_Manipulation, Simulation | 2 | 88.95
1707+
| 0989 |[Add to Array-Form of Integer](src/main/java/g0901_1000/s0989_add_to_array_form_of_integer)| Easy | Array, Math | 7 | 65.92
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1709+
#### Day 6
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
1712+
|-|-|-|-|-|-
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| 0739 |[Daily Temperatures](src/main/java/g0701_0800/s0739_daily_temperatures)| Medium | Top_100_Liked_Questions, Array, Stack, Monotonic_Stack | 10 | 94.99
1714+
| 0058 |[Length of Last Word](src/main/java/g0001_0100/s0058_length_of_last_word)| Easy | String | 0 | 100.00
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#### Day 7
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0048 |[Rotate Image](src/main/java/g0001_0100/s0048_rotate_image)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Math, Matrix | 0 | 100.00
1721+
| 1886 |[Determine Whether Matrix Can Be Obtained By Rotation](src/main/java/g1801_1900/s1886_determine_whether_matrix_can_be_obtained_by_rotation)| Easy | Array, Matrix | 1 | 78.38
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#### Day 8
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0054 |[Spiral Matrix](src/main/java/g0001_0100/s0054_spiral_matrix)| Medium | Top_Interview_Questions, Array, Matrix, Simulation | 0 | 100.00
1728+
| 0973 |[K Closest Points to Origin](src/main/java/g0901_1000/s0973_k_closest_points_to_origin)| Medium | Array, Math, Sorting, Heap_Priority_Queue, Divide_and_Conquer, Geometry, Quickselect | 4 | 98.26
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#### Day 9
1731+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1630 |[Arithmetic Subarrays](src/main/java/g1601_1700/s1630_arithmetic_subarrays)| Medium | Array, Sorting | 8 | 93.62
1735+
| 0429 |[N-ary Tree Level Order Traversal](src/main/java/g0401_0500/s0429_n_ary_tree_level_order_traversal)| Medium | Breadth_First_Search, Tree | 3 | 80.26
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#### Day 10
1738+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
1740+
|-|-|-|-|-|-
1741+
| 0503 |[Next Greater Element II](src/main/java/g0501_0600/s0503_next_greater_element_ii)| Medium | Array, Stack, Monotonic_Stack | 7 | 97.03
1742+
| 0556 |[Next Greater Element III](src/main/java/g0501_0600/s0556_next_greater_element_iii)| Medium | String, Math, Two_Pointers | 0 | 100.00
1743+
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#### Day 11
1745+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
1748+
| 1376 |[Time Needed to Inform All Employees](src/main/java/g1301_1400/s1376_time_needed_to_inform_all_employees)| Medium | Depth_First_Search, Breadth_First_Search, Tree | 225 | 22.36
1749+
| 0049 |[Group Anagrams](src/main/java/g0001_0100/s0049_group_anagrams)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, String, Hash_Table, Sorting | 11 | 71.16
1750+
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#### Day 12
1752+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
1754+
|-|-|-|-|-|-
1755+
| 0438 |[Find All Anagrams in a String](src/main/java/g0401_0500/s0438_find_all_anagrams_in_a_string)| Medium | Top_100_Liked_Questions, String, Hash_Table, Sliding_Window | 6 | 99.03
1756+
| 0713 |[Subarray Product Less Than K](src/main/java/g0701_0800/s0713_subarray_product_less_than_k)| Medium | Array, Sliding_Window | 8 | 39.00
1757+
1758+
#### Day 13
1759+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
1761+
|-|-|-|-|-|-
1762+
| 0304 |[Range Sum Query 2D - Immutable](src/main/java/g0301_0400/s0304_range_sum_query_2d_immutable)| Medium | Array, Matrix, Design, Prefix_Sum | 153 | 87.51
1763+
| 0910 |[Smallest Range II](src/main/java/g0901_1000/s0910_smallest_range_ii)| Medium | Array, Math, Sorting, Greedy | 10 | 73.16
1764+
1765+
#### Day 14
1766+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
1768+
|-|-|-|-|-|-
1769+
| 0143 |[Reorder List](src/main/java/g0101_0200/s0143_reorder_list)| Medium | Two_Pointers, Stack, Linked_List, Recursion | 2 | 72.59
1770+
| 0138 |[Copy List with Random Pointer](src/main/java/g0101_0200/s0138_copy_list_with_random_pointer)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Linked_List | 0 | 100.00
1771+
1772+
#### Day 15
1773+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
1775+
|-|-|-|-|-|-
1776+
| 0002 |[Add Two Numbers](src/main/java/g0001_0100/s0002_add_two_numbers)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Math, Linked_List, Recursion | 2 | 98.23
1777+
| 0445 |[Add Two Numbers II](src/main/java/g0401_0500/s0445_add_two_numbers_ii)| Medium | Math, Stack, Linked_List | 3 | 90.38
1778+
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#### Day 16
1780+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0061 |[Rotate List](src/main/java/g0001_0100/s0061_rotate_list)| Medium | Two_Pointers, Linked_List | 0 | 100.00
1784+
| 0173 |[Binary Search Tree Iterator](src/main/java/g0101_0200/s0173_binary_search_tree_iterator)| Medium | Tree, Binary_Tree, Stack, Design, Binary_Search_Tree, Iterator | 18 | 84.18
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#### Day 17
1787+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1845 |[Seat Reservation Manager](src/main/java/g1801_1900/s1845_seat_reservation_manager)| Medium | Design, Heap_Priority_Queue | 47 | 87.63
1791+
| 0860 |[Lemonade Change](src/main/java/g0801_0900/s0860_lemonade_change)| Easy | Array, Greedy | 2 | 90.84
1792+
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#### Day 18
1794+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0155 |[Min Stack](src/main/java/g0101_0200/s0155_min_stack)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Stack, Design | 3 | 100.00
1798+
| 0341 |[Flatten Nested List Iterator](src/main/java/g0301_0400/s0341_flatten_nested_list_iterator)| Medium | Top_Interview_Questions, Depth_First_Search, Tree, Stack, Design, Queue, Iterator | 2 | 99.95
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#### Day 19
1801+
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
1804+
| 1797 |[Design Authentication Manager](src/main/java/g1701_1800/s1797_design_authentication_manager)| Medium | Hash_Table, Design | 41 | 92.67
1805+
| 0707 |[Design Linked List](src/main/java/g0701_0800/s0707_design_linked_list)| Medium | Design, Linked_List | 10 | 70.60
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#### Day 20
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0380 |[Insert Delete GetRandom O(1)](src/main/java/g0301_0400/s0380_insert_delete_getrandom_o1)| Medium | Top_Interview_Questions, Array, Hash_Table, Math, Design, Randomized | 27 | 93.44
1812+
| 0622 |[Design Circular Queue](src/main/java/g0601_0700/s0622_design_circular_queue)| Medium | Array, Design, Linked_List, Queue | 3 | 100.00
1813+
| 0729 |[My Calendar I](src/main/java/g0701_0800/s0729_my_calendar_i)| Medium | Binary_Search, Design, Ordered_Set, Segment_Tree | 17 | 97.23
1814+
18151815
## Algorithms
18161816

18171817
| # | Title | Difficulty | Tag | Time, ms | Time, %
18181818
|------|----------------|-------------|-------------|----------|--------
1819+
| 2500 |[Delete Greatest Value in Each Row](src/main/java/g2401_2500/s2500_delete_greatest_value_in_each_row)| Easy | Array, Sorting, Matrix | 3 | 98.16
1820+
| 2499 |[Minimum Total Cost to Make Arrays Unequal](src/main/java/g2401_2500/s2499_minimum_total_cost_to_make_arrays_unequal)| Hard | Array, Hash_Table, Greedy, Counting | 3 | 100.00
1821+
| 2498 |[Frog Jump II](src/main/java/g2401_2500/s2498_frog_jump_ii)| Medium | Array, Greedy, Binary_Search | 1 | 100.00
1822+
| 2497 |[Maximum Star Sum of a Graph](src/main/java/g2401_2500/s2497_maximum_star_sum_of_a_graph)| Medium | Array, Sorting, Greedy, Heap_Priority_Queue, Graph | 36 | 97.50
18191823
| 2496 |[Maximum Value of a String in an Array](src/main/java/g2401_2500/s2496_maximum_value_of_a_string_in_an_array)| Easy | Array, String | 1 | 92.00
18201824
| 2493 |[Divide Nodes Into the Maximum Number of Groups](src/main/java/g2401_2500/s2493_divide_nodes_into_the_maximum_number_of_groups)| Hard | Breadth_First_Search, Graph, Union_Find | 443 | 77.02
18211825
| 2492 |[Minimum Score of a Path Between Two Cities](src/main/java/g2401_2500/s2492_minimum_score_of_a_path_between_two_cities)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Union_Find | 13 | 92.82

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