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HackerRank

★ 3 Open GitHub ↗

Solutions of HackerRank

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# HackerRank

Solutions of HackerRank.

[Click here](https://sasank174.github.io/HackerRank/ "link")

### Contents:

- 30 Days of Code
- Problem Solving
- Python
- SQL

<details>
  <summary>30 Days of Code</summary>
  
  ## **30 Days of Code**

| NAME                                            |                                                                  Link                                                                  |
| :---------------------------------------------- | :------------------------------------------------------------------------------------------------------------------------------------: |
| Day_0_Hello,\_World.py                          |             [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_0_Hello%2C_World.py "code")             |
| Day_1_Data_Types.py                             |               [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_1_Data_Types.py "code")               |
| Day_2_Operators.py                              |               [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_2_Operators.py "code")                |
| Day_3_Intro_to_Conditional_Statements.py        |    [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_3_Intro_to_Conditional_Statements.py "code")     |
| Day_4_Class_vs_Instance.py                      |           [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_4_Class_vs_Instance.py "code")            |
| Day_5_Loops.py                                  |                 [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_5_Loops.py "code")                  |
| Day_6_Let's_Review.py                           |              [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_6_Let's_Review.py "code")              |
| Day_7_Arrays.py                                 |                 [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_7_Arrays.py "code")                 |
| Day_8_Dictionaries_and_Maps.py                  |         [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_8_Dictionaries_and_Maps.py "code")          |
| Day_9_Recursion_3.py                            |              [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_9_Recursion_3.py "code")               |
| Day_10_Binary_Numbers.py                        |            [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_10_Binary_Numbers.py "code")             |
| Day_11_2D_Arrays.py                             |               [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_11_2D_Arrays.py "code")               |
| Day_12_Inheritance.py                           |              [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_12_Inheritance.py "code")              |
| Day_13_Abstract_Classes.py                      |           [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_13_Abstract_Classes.py "code")            |
| Day_14_Scope.py                                 |                 [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_14_Scope.py "code")                 |
| Day_15_Linked_List.py                           |              [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_15_Linked_List.py "code")              |
| Day_16_Exceptions_String_to_Integer.py          |     [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_16_Exceptions_String_to_Integer.py "code")      |
| Day_17_More_Exceptions.py                       |            [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_17_More_Exceptions.py "code")            |
| Day_18_Queues_and_Stacks.py                     |           [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_18_Queues_and_Stacks.py "code")           |
| Day_19_Interfaces.py                            |              [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_19_Interfaces.py "code")               |
| Day_20_Sorting.py                               |                [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_20_Sorting.py "code")                |
| Day_21_Generics.cpp                             |               [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_21_Generics.cpp "code")               |
| Day_22_Binary_Search_Trees.py                   |          [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_22_Binary_Search_Trees.py "code")          |
| Day_23_BST_Level_Order_Traversal.py             |       [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_23_BST_Level_Order_Traversal.py "code")       |
| Day_24_More_Linked_Lists.py                     |           [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_24_More_Linked_Lists.py "code")           |
| Day_25_Running_Time_and_Complexity.py           |      [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_25_Running_Time_and_Complexity.py "code")      |
| Day_26_Nested_Logic.py                          |             [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_26_Nested_Logic.py "code")              |
| Day_27_Testing.py                               |                [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_27_Testing.py "code")                |
| Day_28_RegEx_Patterns_and_Intro_to_Databases.py | [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_28_RegEx_Patterns_and_Intro_to_Databases.py "code") |
| Day_29_Bitwise_AND.py                           |              [code](https://github.com/sasank174/HackerRank/blob/main/30%20Days%20of%20Code/Day_29_Bitwise_AND.py "code")              |

</details>

<details>
  <summary>Problem Solving</summary>
  
  ## **Problem Solving**
  |	NAME	|	Link	|
|	:------------	|	:---------------:	|
|       Solve_Me_First.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Solve_Me_First.py "code")	|
|       Simple_Array_Sum.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Simple_Array_Sum.py "code")	|
|       Compare_the_Triplets.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Compare_the_Triplets.py "code")	|
|       A_Very_Big_Sum.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/A_Very_Big_Sum.py "code")	|
|       Diagonal_Difference.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Diagonal_Difference.py "code")	|
|       Plus_Minus.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Plus_Minus.py "code")	|
|       Staircase.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Staircase.py "code")	|
|       Mini_Max_Sum.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Mini_Max_Sum.py "code")	|
|       Birthday_Cake_Candles.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Birthday_Cake_Candles.py "code")	|
|       Time_Conversion.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Time_Conversion.py "code")	|
|       Grading_Students.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Grading_Students.py "code")	|
|       Apple_and_Orange.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Apple_and_Orange.py "code")	|
|       Number_Line_Jumps.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Number_Line_Jumps.py "code")	|
|       Between_Two_Sets.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Between_Two_Sets.py "code")	|
|       Subarray_Division.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Subarray_Division.py "code")	|
|       Divisible_Sum_Pairs.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Divisible_Sum_Pairs.py "code")	|
|       Breaking_the_Records.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Breaking_the_Records.py "code")	|
|       Migratory_Birds.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Migratory_Birds.py "code")	|
|       Day_of_the_Programmer.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Day_of_the_Programmer.py "code")	|
|       Bill_Division.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Bill_Division.py "code")	|
|       Sales_by_Match.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Sales_by_Match.py "code")	|
|       Drawing_Book.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Drawing_Book.py "code")	|
|       Counting_Valleys.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Counting_Valleys.py "code")	|
|       Electronics_Shop.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Electronics_Shop.py "code")	|
|       Cats_and_a_Mouse.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Cats_and_a_Mouse.py "code")	|
|       Picking_Numbers.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Picking_Numbers.py "code")	|
|       Climbing_the_Leaderboard.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Climbing_the_Leaderboard.py "code")	|
|       The_Hurdle_Race.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/The_Hurdle_Race.py "code")	|
|       Designer_PDF_Viewer.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Designer_PDF_Viewer.py "code")	|
|       Utopian_Tree.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Utopian_Tree.py "code")	|
|       Angry_Professor.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Angry_Professor.py "code")	|
|       Beautiful_Days_at_the_Movies.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Beautiful_Days_at_the_Movies.py "code")	|
|       Sequence_Equation.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Sequence_Equation.py "code")	|
|       Save_the_Prisoner.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Save_the_Prisoner.py "code")	|
|       Circular_Array_Rotation.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Circular_Array_Rotation.py "code")	|
|       Jumping_on_the_Clouds_Revisited.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Jumping_on_the_Clouds_Revisited.py "code")	|
|       Viral_Advertising.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Viral_Advertising.py "code")	|
|       Find_Digits.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Find_Digits.py "code")	|
|       Extra_Long_Factorials.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Extra_Long_Factorials.py "code")	|
|       Library_Fine.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Library_Fine.py "code")	|
|       Cut_the_sticks.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Cut_the_sticks.py "code")	|
|       Non_Divisible_Subset.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Non_Divisible_Subset.py "code")	|
|       Repeated_String.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Repeated_String.py "code")	|
|       Forming_a_Magic_Square.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Forming_a_Magic_Square.py "code")	|
|       Append_and_Delete.py   |	[code](https://github.com/sasank174/HackerRank/blob/main/Problem%20Solving/Append_and_Delete.py "code")	|
</details>

<details>
  <summary>Python</summary>
  
  ## **Python**

| NAME                           |                                                  Link                                                  |
| :----------------------------- | :----------------------------------------------------------------------------------------------------: |
| Arithmetic_Operators.py        |    [code](https://github.com/sasank174/HackerRank/blob/main/Python/Arithmetic_Operators.py "code")     |
| Find_a_string.py               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Find_a_string.py "code")        |
| Find_the_Runner_Up_Score!.py   |  [code](https://github.com/sasank174/HackerRank/blob/main/Python/Find_the_Runner_Up_Score!.py "code")  |
| Finding_the_percentage.py      |   [code](https://github.com/sasank174/HackerRank/blob/main/Python/Finding_the_percentage.py "code")    |
| List_Comprehensions.py         |     [code](https://github.com/sasank174/HackerRank/blob/main/Python/List_Comprehensions.py "code")     |
| Lists.py                       |            [code](https://github.com/sasank174/HackerRank/blob/main/Python/Lists.py "code")            |
| Loops.py                       |            [code](https://github.com/sasank174/HackerRank/blob/main/Python/Loops.py "code")            |
| Mutations.py                   |          [code](https://github.com/sasank174/HackerRank/blob/main/Python/Mutations.py "code")          |
| Nested_Lists.py                |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Nested_Lists.py "code")         |
| Print_Function.py              |       [code](https://github.com/sasank174/HackerRank/blob/main/Python/Print_Function.py "code")        |
| Python_Division.py             |       [code](https://github.com/sasank174/HackerRank/blob/main/Python/Python_Division.py "code")       |
| Python_If-Else.py              |       [code](https://github.com/sasank174/HackerRank/blob/main/Python/Python_If-Else.py "code")        |
| Say_Hello_World_With_Python.py | [code](https://github.com/sasank174/HackerRank/blob/main/Python/Say_Hello_World_With_Python.py "code") |
| String_Split_and_Join.py       |    [code](https://github.com/sasank174/HackerRank/blob/main/Python/String_Split_and_Join.py "code")    |
| String_Validators.py           |      [code](https://github.com/sasank174/HackerRank/blob/main/Python/String_Validators.py "code")      |
| sWAP_cASE.py                   |          [code](https://github.com/sasank174/HackerRank/blob/main/Python/sWAP_cASE.py "code")          |
| Text_Alignment.py              |       [code](https://github.com/sasank174/HackerRank/blob/main/Python/Text_Alignment.py "code")        |
| Text_Wrap.py                   |          [code](https://github.com/sasank174/HackerRank/blob/main/Python/Text_Wrap.py "code")          |
| Tuples.py                      |           [code](https://github.com/sasank174/HackerRank/blob/main/Python/Tuples.py "code")            |
| What's_Your_Name.py            |      [code](https://github.com/sasank174/HackerRank/blob/main/Python/What's_Your_Name.py "code")       |
| Write_a_function.py            |      [code](https://github.com/sasank174/HackerRank/blob/main/Python/Write_a_function.py "code")       |
| The_Minion_Game.py             |       [code](https://github.com/sasank174/HackerRank/blob/main/Python/The_Minion_Game.py "code")       |
| String_Formatting.py           |      [code](https://github.com/sasank174/HackerRank/blob/main/Python/String_Formatting.py "code")      |
| Merge_the_Tools!.py            |      [code](https://github.com/sasank174/HackerRank/blob/main/Python/Merge_the_Tools!.py "code")       |
| itertools.product().py         |    [code](<https://github.com/sasank174/HackerRank/blob/main/Python/itertools.product().py> "code")    |
| itertools.permutations().py    | [code](<https://github.com/sasank174/HackerRank/blob/main/Python/itertools.permutations().py> "code")  |
| itertools.combinations().py    | [code](<https://github.com/sasank174/HackerRank/blob/main/Python/itertools.combinations().py> "code")  |
| Designer_Door_Mat.py           |      [code](https://github.com/sasank174/HackerRank/blob/main/Python/Designer_Door_Mat.py "code")      |
| Compress_the_String!.py        |    [code](https://github.com/sasank174/HackerRank/blob/main/Python/Compress_the_String!.py "code")     |
| Capitalize!.py                 |         [code](https://github.com/sasank174/HackerRank/blob/main/Python/Capitalize!.py "code")         |
| Alphabet_Rangoli.py            |      [code](https://github.com/sasank174/HackerRank/blob/main/Python/Alphabet_Rangoli.py "code")       |

</details>

<details>
  <summary>SQL</summary>
  
  ## **SQL**

| NAME                           |                                                  Link                                                  |
| :----------------------------- | :----------------------------------------------------------------------------------------------------: |
| Revising_the_Select_Query_I.sql        |    [code](https://github.com/sasank174/HackerRank/blob/main/SQL/Revising_the_Select_Query_I.sql.py "code")     |
| Revising_the_Select_Query_II.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Revising_the_Select_Query_II.sql "code")        |
| Select_All.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Select_All.sql "code")        |
| Select_By_ID.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Select_By_ID.sql "code")        |
| Japanese_Cities_Attributes.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Japanese_Cities_Attributes.sql "code")        |
| Japanese_Cities_Names.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Japanese_Cities_Names.sql "code")        |
| Weather_Observation_Station_1.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_1.sql "code")        |
| Weather_Observation_Station_3.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_3.sql "code")        |
| Weather_Observation_Station_4.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_4.sql "code")        |
| Weather_Observation_Station_5.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_5.sql "code")        |
| Weather_Observation_Station_6.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_6.sql "code")        |
| Weather_Observation_Station_7.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_7.sql "code")        |
| Weather_Observation_Station_8.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_8.sql "code")        |
| Weather_Observation_Station_9.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_9.sql "code")        |
| Weather_Observation_Station_10.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_10.sql "code")        |
| Weather_Observation_Station_11.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_11.sql "code")        |
| Higher_Than_75_Marks.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Higher_Than_75_Marks.sql "code")        |
| Employee_Names.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Employee_Names.sql "code")        |
| Employee_Salaries.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Employee_Salaries.sql "code")        |
| Weather_Observation_Station_20.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_20.sql "code")        |
| Weather_Observation_Station_2.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_2.sql "code")        |
| Weather_Observation_Station_13.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_13.sql "code")        |
| Weather_Observation_Station_14.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_14.sql "code")        |
| Weather_Observation_Station_15.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_15.sql "code")        |
| Weather_Observation_Station_16.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_16.sql "code")        |
| Weather_Observation_Station_17.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_17.sql "code")        |
| Weather_Observation_Station_18.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_18.sql "code")        |
| Weather_Observation_Station_19.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/Weather_Observation_Station_19.sql "code")        |
| The_Report.sql               |        [code](https://github.com/sasank174/HackerRank/blob/main/Python/The_Report.sql "code")        |

</details>

HackerRank

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