LeetCode Java Solutions

💡 Solutions to LeetCode in Java. This repository aims to provide code with good readability and consistent style over various topics and embraces new standards.
📍Starts From : 10 May 2023

Total: 67

Easy	Medium	Hard	Total
34	30	3	67

Problems :

Question	Solution	Difficulty
1. Two Sum	Solution	Easy
2. Find The Pivot Integer	Solution	Easy
3. LengthofLastWord	Solution	Easy
4. Find Numbers with Even Number of Digits	Solution	Easy
5. Find Pivot Index	Solution	Easy
6. Missing Number	Solution	Easy
7. Reverse String	Solution	Easy
8. Running Sum of 1d Array	Solution	Easy
9. Find The Highest Altitude	Solution	Easy
10. Find the Index of the First Occurrence in a String	Solution	Easy
11. Search Insert Position	Solution	Easy
12. Remove Element	Solution	Easy
13. Right Left Sum Differnce	Solution	Easy
14. Squares of a Sorted Array	Solution	Easy
15. Valid Palindrome	Solution	Easy
16. Median of Two Sorted Arrays	Solution	Hard
17. Find the Duplicate Number	Solution	Medium
18. Sort an Array	Solution	Medium
19. Product of Array Except Self	Solution	Medium
20. Palindrome Number	Solution	Easy
21. Valid Parentheses	Solution	Easy
22. Reverse Integer	Solution	Medium
23. Subarray Sum Equals K	Solution	Medium
24. Find First and Last Position of Element in Sorted Array	Solution	Medium
25. Find Peak Element	Solution	Medium
26. Remove Nth Node From End of List	Solution	Medium
27. Divide Two Integers	Solution	Medium
28. Longest Substring Without Repeating Characters	Solution	Medium
29. First Missing Positive	Solution	Hard
30. Majority Element	Solution	Easy
31. Remove Duplicates from Sorted Array	Solution	Easy
32. Merge Sorted Array	Solution	Easy
33. Move Zeroes	Solution	Easy
34. Find the Middle Index in Array	Solution	Easy
35. Merge Two Sorted Lists	Solution	Easy
36. Roman to Integer	Solution	Easy
37. Range Sum Query - Immutable	Solution	Easy
38. Count Vowel Strings in Ranges	Solution	Medium
39. Check If String Is a Prefix of Array	Solution	Easy
40. Search in Rotated Sorted Array	Solution	Medium
41. Add Two Numbers	Solution	Medium
42. Swap Nodes in Pairs	Solution	Medium
43. Find Minimum in Rotated Sorted Array	Solution	Medium
44. Sort Colors	Solution	Medium
45. Insert Greatest Common Divisors in Linked List	Solution	Medium
46. Spiral Matrix	Solution	Medium
47. Single Number	Solution	Easy
48. Remove Duplicates From Sorted Array II	Solution	Medium
49. Searcha 2D Matrix	Solution	Medium
50. Searcha 2D Matrix II	Solution	Medium
51. Rotate Image	Solution	Medium
52. Search in Rotated Sorted Array II	Solution	Medium
53. Concatenation of Array	Solution	Medium
54. Find The Original Array of Prefix XOR	Solution	Medium
55. Middle of the Linked List	Solution	Easy
56. Check If Two String Arraysare Equivalent	Solution	Easy
57. Remove Linked List Elements	Solution	Easy
58. Reverse Linked List	Solution	Easy
59. Palindrome Linked List	Solution	Easy
60. Reverse Linked List II	Solution	Medium
61. Reverse Nodes in k-Group	Solution	Hard
62. Implement Queue Using Stacks	Solution	Easy
63. Subrectangle Queries	Solution	Medium
64. Min Stack	Solution	Medium
65. Buildan Array With Stack Operations	Solution	Medium
66. Minimum Time to Make Rope Colorful	Solution	Medium
67. Remove Duplicates from Sorted List	Solution	Easy

Contributor :

Dhiraj Gadekar

Contributions are welcome! If you have any suggestions, improvements, or additional examples related to the Singleton pattern, feel free to open an issue or submit a pull request.

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