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‎README.md‎

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@@ -34,7 +34,6 @@ implementation 'com.github.javadev:leetcode-in-java:1.48'
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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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##
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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)
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* [Level 2](#level-2)
@@ -49,110 +48,7 @@ implementation 'com.github.javadev:leetcode-in-java:1.48'
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* [Dynamic Programming I](#dynamic-programming-i)
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* [Programming Skills I](#programming-skills-i)
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* [Programming Skills II](#programming-skills-ii)
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### Graph Theory I
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#### Day 1 Matrix Related Problems
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0733 |[Flood Fill](src/main/java/g0701_0800/s0733_flood_fill/Solution.java)| Easy | Array, Depth_First_Search, Breadth_First_Search, Matrix | 1 | 85.36
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| 0200 |[Number of Islands](src/main/java/g0101_0200/s0200_number_of_islands/Solution.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find, Big_O_Time_O(M\*N)_Space_O(M\*N) | 3 | 87.24
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#### Day 2 Matrix Related Problems
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 0695 |[Max Area of Island](src/main/java/g0601_0700/s0695_max_area_of_island/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find | 3 | 76.79
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| 1254 |[Number of Closed Islands](src/main/java/g1201_1300/s1254_number_of_closed_islands/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find | 3 | 55.59
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#### Day 3 Matrix Related Problems
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1020 |[Number of Enclaves](src/main/java/g1001_1100/s1020_number_of_enclaves/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find | 6 | 68.24
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| 1905 |[Count Sub Islands](src/main/java/g1901_2000/s1905_count_sub_islands/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find | 24 | 85.54
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#### Day 4 Matrix Related Problems
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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|-|-|-|-|-|-
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| 1162 |[As Far from Land as Possible](src/main/java/g1101_1200/s1162_as_far_from_land_as_possible/Solution.java)| Medium | Array, Dynamic_Programming, Breadth_First_Search, Matrix | 16 | 62.40
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| 0417 |[Pacific Atlantic Water Flow](src/main/java/g0401_0500/s0417_pacific_atlantic_water_flow/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search, Matrix | 5 | 92.62
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#### Day 5 Matrix Related Problems
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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| 1091 |[Shortest Path in Binary Matrix](src/main/java/g1001_1100/s1091_shortest_path_in_binary_matrix/Solution.java)| Medium | Array, Breadth_First_Search, Matrix | 22 | 69.99
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| 0542 |[01 Matrix](src/main/java/g0501_0600/s0542_01_matrix/Solution.java)| Medium | Array, Dynamic_Programming, Breadth_First_Search, Matrix | 7 | 95.83
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#### Day 6 Matrix Related Problems
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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| 0934 |[Shortest Bridge](src/main/java/g0901_1000/s0934_shortest_bridge/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search, Matrix | 6 | 97.87
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| 1926 |[Nearest Exit from Entrance in Maze](src/main/java/g1901_2000/s1926_nearest_exit_from_entrance_in_maze/Solution.java)| Medium | Array, Breadth_First_Search, Matrix, LeetCode_75_Graphs/BFS | 12 | 40.55
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#### Day 7 Standard Traversal
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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| 0797 |[All Paths From Source to Target](src/main/java/g0701_0800/s0797_all_paths_from_source_to_target/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Backtracking | 2 | 90.53
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| 0841 |[Keys and Rooms](src/main/java/g0801_0900/s0841_keys_and_rooms/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, LeetCode_75_Graphs/DFS | 3 | 51.54
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#### Day 8 Standard Traversal
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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| 0547 |[Number of Provinces](src/main/java/g0501_0600/s0547_number_of_provinces/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Union_Find, LeetCode_75_Graphs/DFS | 2 | 69.51
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| 1319 |[Number of Operations to Make Network Connected](src/main/java/g1301_1400/s1319_number_of_operations_to_make_network_connected/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Union_Find | 9 | 67.64
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#### Day 9 Standard Traversal
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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/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Tree | 8 | 99.85
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| 0802 |[Find Eventual Safe States](src/main/java/g0801_0900/s0802_find_eventual_safe_states/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Topological_Sort | 7 | 74.93
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#### Day 10 Standard Traversal
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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| 1129 |[Shortest Path with Alternating Colors](src/main/java/g1101_1200/s1129_shortest_path_with_alternating_colors/Solution.java)| Medium | Breadth_First_Search, Graph | 4 | 96.63
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| 1466 |[Reorder Routes to Make All Paths Lead to the City Zero](src/main/java/g1401_1500/s1466_reorder_routes_to_make_all_paths_lead_to_the_city_zero/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, LeetCode_75_Graphs/DFS | 39 | 97.71
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| 0847 |[Shortest Path Visiting All Nodes](src/main/java/g0801_0900/s0847_shortest_path_visiting_all_nodes/Solution.java)| Hard | Dynamic_Programming, Breadth_First_Search, Bit_Manipulation, Graph, Bitmask | 14 | 78.72
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#### Day 11 Breadth First Search
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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| 1306 |[Jump Game III](src/main/java/g1301_1400/s1306_jump_game_iii/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search | 2 | 96.23
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| 1654 |[Minimum Jumps to Reach Home](src/main/java/g1601_1700/s1654_minimum_jumps_to_reach_home/Solution.java)| Medium | Array, Dynamic_Programming, Breadth_First_Search | 6 | 99.87
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| 0365 |[Water and Jug Problem](src/main/java/g0301_0400/s0365_water_and_jug_problem/Solution.java)| Medium | Math, Depth_First_Search, Breadth_First_Search | 0 | 100.00
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#### Day 12 Breadth First Search
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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| 0433 |[Minimum Genetic Mutation](src/main/java/g0401_0500/s0433_minimum_genetic_mutation/Solution.java)| Medium | String, Hash_Table, Breadth_First_Search | 0 | 100.00
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| 0752 |[Open the Lock](src/main/java/g0701_0800/s0752_open_the_lock/Solution.java)| Medium | Array, String, Hash_Table, Breadth_First_Search | 72 | 91.06
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| 0127 |[Word Ladder](src/main/java/g0101_0200/s0127_word_ladder/Solution.java)| Hard | Top_Interview_Questions, String, Hash_Table, Breadth_First_Search | 22 | 96.00
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#### Day 13 Graph Theory
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| 0997 |[Find the Town Judge](src/main/java/g0901_1000/s0997_find_the_town_judge/Solution.java)| Easy | Array, Hash_Table, Graph | 3 | 80.64
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| 1557 |[Minimum Number of Vertices to Reach All Nodes](src/main/java/g1501_1600/s1557_minimum_number_of_vertices_to_reach_all_nodes/Solution.java)| Medium | Graph | 8 | 99.94
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#### Day 14 Graph Theory
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| 1615 |[Maximal Network Rank](src/main/java/g1601_1700/s1615_maximal_network_rank/Solution.java)| Medium | Graph | 3 | 97.34
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| 0886 |[Possible Bipartition](src/main/java/g0801_0900/s0886_possible_bipartition/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Union_Find | 20 | 80.12
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| 0785 |[Is Graph Bipartite?](src/main/java/g0701_0800/s0785_is_graph_bipartite/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Union_Find | 0 | 100.00
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* [Graph Theory I](#graph-theory-i)
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### SQL I
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| 0622 |[Design Circular Queue](src/main/java/g0601_0700/s0622_design_circular_queue/MyCircularQueue.java)| Medium | Array, Design, Linked_List, Queue | 3 | 100.00
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| 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
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### Graph Theory I
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#### Day 1 Matrix Related Problems
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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| 0733 |[Flood Fill](src/main/java/g0701_0800/s0733_flood_fill/Solution.java)| Easy | Array, Depth_First_Search, Breadth_First_Search, Matrix | 1 | 85.36
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| 0200 |[Number of Islands](src/main/java/g0101_0200/s0200_number_of_islands/Solution.java)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find, Big_O_Time_O(M\*N)_Space_O(M\*N) | 3 | 87.24
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#### Day 2 Matrix Related Problems
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| 0695 |[Max Area of Island](src/main/java/g0601_0700/s0695_max_area_of_island/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find | 3 | 76.79
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| 1254 |[Number of Closed Islands](src/main/java/g1201_1300/s1254_number_of_closed_islands/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find | 3 | 55.59
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#### Day 3 Matrix Related Problems
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| 1020 |[Number of Enclaves](src/main/java/g1001_1100/s1020_number_of_enclaves/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find | 6 | 68.24
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| 1905 |[Count Sub Islands](src/main/java/g1901_2000/s1905_count_sub_islands/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find | 24 | 85.54
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#### Day 4 Matrix Related Problems
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| <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- --> | <!-- -->
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| 1162 |[As Far from Land as Possible](src/main/java/g1101_1200/s1162_as_far_from_land_as_possible/Solution.java)| Medium | Array, Dynamic_Programming, Breadth_First_Search, Matrix | 16 | 62.40
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| 0417 |[Pacific Atlantic Water Flow](src/main/java/g0401_0500/s0417_pacific_atlantic_water_flow/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search, Matrix | 5 | 92.62
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#### Day 5 Matrix Related Problems
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| 1091 |[Shortest Path in Binary Matrix](src/main/java/g1001_1100/s1091_shortest_path_in_binary_matrix/Solution.java)| Medium | Array, Breadth_First_Search, Matrix | 22 | 69.99
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| 0542 |[01 Matrix](src/main/java/g0501_0600/s0542_01_matrix/Solution.java)| Medium | Array, Dynamic_Programming, Breadth_First_Search, Matrix | 7 | 95.83
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#### Day 6 Matrix Related Problems
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| 0934 |[Shortest Bridge](src/main/java/g0901_1000/s0934_shortest_bridge/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search, Matrix | 6 | 97.87
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| 1926 |[Nearest Exit from Entrance in Maze](src/main/java/g1901_2000/s1926_nearest_exit_from_entrance_in_maze/Solution.java)| Medium | Array, Breadth_First_Search, Matrix, LeetCode_75_Graphs/BFS | 12 | 40.55
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#### Day 7 Standard Traversal
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| 0797 |[All Paths From Source to Target](src/main/java/g0701_0800/s0797_all_paths_from_source_to_target/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Backtracking | 2 | 90.53
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| 0841 |[Keys and Rooms](src/main/java/g0801_0900/s0841_keys_and_rooms/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, LeetCode_75_Graphs/DFS | 3 | 51.54
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#### Day 8 Standard Traversal
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| 0547 |[Number of Provinces](src/main/java/g0501_0600/s0547_number_of_provinces/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Union_Find, LeetCode_75_Graphs/DFS | 2 | 69.51
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| 1319 |[Number of Operations to Make Network Connected](src/main/java/g1301_1400/s1319_number_of_operations_to_make_network_connected/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Union_Find | 9 | 67.64
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#### Day 9 Standard Traversal
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| 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
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| 0802 |[Find Eventual Safe States](src/main/java/g0801_0900/s0802_find_eventual_safe_states/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Topological_Sort | 7 | 74.93
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#### Day 10 Standard Traversal
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| 1129 |[Shortest Path with Alternating Colors](src/main/java/g1101_1200/s1129_shortest_path_with_alternating_colors/Solution.java)| Medium | Breadth_First_Search, Graph | 4 | 96.63
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| 1466 |[Reorder Routes to Make All Paths Lead to the City Zero](src/main/java/g1401_1500/s1466_reorder_routes_to_make_all_paths_lead_to_the_city_zero/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, LeetCode_75_Graphs/DFS | 39 | 97.71
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| 0847 |[Shortest Path Visiting All Nodes](src/main/java/g0801_0900/s0847_shortest_path_visiting_all_nodes/Solution.java)| Hard | Dynamic_Programming, Breadth_First_Search, Bit_Manipulation, Graph, Bitmask | 14 | 78.72
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#### Day 11 Breadth First Search
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| 1306 |[Jump Game III](src/main/java/g1301_1400/s1306_jump_game_iii/Solution.java)| Medium | Array, Depth_First_Search, Breadth_First_Search | 2 | 96.23
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| 1654 |[Minimum Jumps to Reach Home](src/main/java/g1601_1700/s1654_minimum_jumps_to_reach_home/Solution.java)| Medium | Array, Dynamic_Programming, Breadth_First_Search | 6 | 99.87
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| 0365 |[Water and Jug Problem](src/main/java/g0301_0400/s0365_water_and_jug_problem/Solution.java)| Medium | Math, Depth_First_Search, Breadth_First_Search | 0 | 100.00
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#### Day 12 Breadth First Search
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| 0433 |[Minimum Genetic Mutation](src/main/java/g0401_0500/s0433_minimum_genetic_mutation/Solution.java)| Medium | String, Hash_Table, Breadth_First_Search | 0 | 100.00
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| 0752 |[Open the Lock](src/main/java/g0701_0800/s0752_open_the_lock/Solution.java)| Medium | Array, String, Hash_Table, Breadth_First_Search | 72 | 91.06
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| 0127 |[Word Ladder](src/main/java/g0101_0200/s0127_word_ladder/Solution.java)| Hard | Top_Interview_Questions, String, Hash_Table, Breadth_First_Search | 22 | 96.00
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#### Day 13 Graph Theory
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| 0997 |[Find the Town Judge](src/main/java/g0901_1000/s0997_find_the_town_judge/Solution.java)| Easy | Array, Hash_Table, Graph | 3 | 80.64
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| 1557 |[Minimum Number of Vertices to Reach All Nodes](src/main/java/g1501_1600/s1557_minimum_number_of_vertices_to_reach_all_nodes/Solution.java)| Medium | Graph | 8 | 99.94
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#### Day 14 Graph Theory
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| 1615 |[Maximal Network Rank](src/main/java/g1601_1700/s1615_maximal_network_rank/Solution.java)| Medium | Graph | 3 | 97.34
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| 0886 |[Possible Bipartition](src/main/java/g0801_0900/s0886_possible_bipartition/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Union_Find | 20 | 80.12
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| 0785 |[Is Graph Bipartite?](src/main/java/g0701_0800/s0785_is_graph_bipartite/Solution.java)| Medium | Depth_First_Search, Breadth_First_Search, Graph, Union_Find | 0 | 100.00
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## Contributing
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Your ideas/fixes/algorithms are more than welcome!
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