kareem100 / hackerrankproblems

Practicing the Problem Solving Skills Using the Problems Offered by HackerRank Platform, starting from September 2021 till October 2021 in continuous 30 days, with a gradual difficulty in different techniques of problems.

HackerRankProblems

Practicing the Problem Solving Skills Using the Problems offered by HackerRank Platform,
starting from September 2021 till October 2021 in continuous 30 days,
with a gradual difficulty in different techniques of problems.

Problems Set

30 Days of Code and 1 Month Preparation Kit

Solutions

Day 1

1. Plus Minus 1 Month Preparation Kit
2. Mini-Max Sum 1 Month Preparation Kit
3. Hello, World. 30 Days of Code

Day 2

4. Time Conversion 1 Month Preparation Kit
5. Sparse Arrays 1 Month Preparation Kit
6. Data Types 30 Days of Code

Day 3

7. Lonely Integer 1 Month Preparation Kit
8. Flipping Bits 1 Month Preparation Kit
9. Operators 30 Days of Code

Day 4

10. Diagonal Difference 1 Month Preparation Kit
11. Counting Sort 1 1 Month Preparation Kit
12. Intro to Conditional Statements 30 Days of Code

Day 5

13. Pangrams 1 Month Preparation Kit
14. Permuting Two Arrays 1 Month Preparation Kit
15. Class vs. Instance 30 Days of Code

Day 6

16. Subarray Division 1 1 Month Preparation Kit
17. XOR Strings 2 1 Month Preparation Kit
18. Loops 30 Days of Code

Day 7

19. Sales by Match 1 Month Preparation Kit
20. Zig Zag Sequence 1 Month Preparation Kit
21. Let's Review 30 Days of Code

Day 8

22. Drawing Book 1 Month Preparation Kit
23. Tower Breakers 1 Month Preparation Kit
24. Arrays 30 Days of Code

Day 9

25. Max Min 1 Month Preparation Kit
26. Caesar Cipher 1 Month Preparation Kit
27. Dictionaries and Maps 30 Days of Code

Day 10

28. Prime Dates 1 Month Preparation Kit
29. Dynamic Array 1 Month Preparation Kit
30. Grid Challenge 1 Month Preparation Kit
31. Recursion 3 30 Days of Code

Day 11

32. Recursive Digit Sum 1 Month Preparation Kit
33. Sherlock and Array 1 Month Preparation Kit
34. Binary Numbers 30 Days of Code

Day 12

35. Counter game 1 Month Preparation Kit
36. Sum vs XOR 1 Month Preparation Kit
37. 2D Arrays 30 Days of Code

Day 13

38. The Bomberman Game 1 Month Preparation Kit
39. New Year Chaos 1 Month Preparation Kit
40. Inheritance 30 Days of Code

Day 14

41. Sherlock and the Valid String 1 Month Preparation Kit
42. Climbing the Leaderboard 1 Month Preparation Kit
43. Abstract Classes 30 Days of Code

Day 15

44. Reverse a linked list 1 Month Preparation Kit
45. Reverse a doubly linked list 1 Month Preparation Kit
46. Scope 30 Days of Code

Day 16

47. Insert a node at a specific position in a linked list 1 Month Preparation Kit
48. Merge two sorted linked lists 1 Month Preparation Kit
49. Linked List 30 Days of Code

Day 17

50. Ice Cream Parlor 1 Month Preparation Kit
51. Queue using Two Stacks 1 Month Preparation Kit
52. Exceptions - String to Integer 30 Days of Code

Day 18

53. Balanced Brackets 1 Month Preparation Kit
54. Waiter 1 Month Preparation Kit
55. More Exceptions 30 Days of Code

Day 19

56. Simple Text Editor 1 Month Preparation Kit
57. Queues and Stacks 30 Days of Code

Day 20

58. Equal Stacks 1 Month Preparation Kit
59. The Maximum Subarray 1 Month Preparation Kit
60. Interfaces 30 Days of Code

Day 21

61. Lego Blocks 1 Month Preparation Kit
62. QHEAP1 1 Month Preparation Kit
63. Sorting 30 Days of Code

Day 22

64. Jesse and Cookies 1 Month Preparation Kit
65. Hackerland Radio Transmitters 1 Month Preparation Kit
66. Generics 30 Days of Code

Day 23

67. Queries with Fixed Length 1 Month Preparation Kit
68. Array Manipulation 1 Month Preparation Kit
69. Binary Search Trees 30 Days of Code

Day 24

70. Highest Value Palindrome 1 Month Preparation Kit
71. Lily's Homework 1 Month Preparation Kit
72. BST Level-Order Traversal 30 Days of Code

Day 25

73. Tree: Preorder Traversal 1 Month Preparation Kit
74. Tree Huffman Decoding 1 Month Preparation Kit
75. More Linked Lists 30 Days of Code

Day 26

76. Binary Search Tree: Lowest Common Ancestor 1 Month Preparation Kit
77. Running Time and Complexity 30 Days of Code

Day 27

78. No Prefix Set 1 Month Preparation Kit
79. Nested Logic 30 Days of Code

Day 28

80. Castle on the Grid 1 Month Preparation Kit
81. Testing 30 Days of Code

Day 29

82. Roads and Libraries 1 Month Preparation Kit
83. RegEx, Patterns, and Intro to Databases 30 Days of Code

Day 30

84. Array Manipulation 1 Month Preparation Kit
85. Bitwise AND 30 Days of Code