LeetCode Problems 0 - 99

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Problem Name	Difficulty	Solution Link
1. Two Sum	Easy	View Solutions
2. Add Two Numbers	Medium	View Solutions
3. Longest Substring Without Repeating Characters	Medium	View Solutions
4. Median of Two Sorted Arrays	Hard	View Solutions
5. Longest Palindromic Substring	Medium	View Solutions
6. ZigZag Conversion	Medium	View Solutions
7. Reverse Integer	Easy	View Solutions
8. String to Integer (atoi)	Medium	View Solutions
9. Palindrome Number	Easy	View Solutions
10. Regular Expression Matching	Hard	View Solutions
11. Container With Most Water	Medium	View Solutions
12. Integer to Roman	Medium	View Solutions
13. Roman to Integer	Easy	View Solutions
14. Longest Common Prefix	Easy	View Solutions
15. 3Sum	Medium	View Solutions
16. 3Sum Closest	Medium	View Solutions
17. Letter Combinations of a Phone Number	Medium	View Solutions
18. 4Sum	Medium	View Solutions
19. Remove Nth Node From End of List	Medium	View Solutions
20. Valid Parentheses	Easy	View Solutions
21. Merge Two Sorted Lists	Easy	View Solutions
22. Generate Parentheses	Medium	View Solutions
23. Merge k Sorted Lists	Hard	View Solutions
24. Swap Nodes in Pairs	Medium	View Solutions
25. Reverse Nodes in k-Group	Hard	View Solutions
26. Remove Duplicates from Sorted Array	Easy	View Solutions
27. Remove Element	Easy	View Solutions
28. Implement strStr()	Easy	View Solutions
29. Divide Two Integers	Medium	View Solutions
30. Substring with Concatenation of All Words	Hard	View Solutions
31. Next Permutation	Medium	View Solutions
32. Longest Valid Parentheses	Hard	View Solutions
33. Search in Rotated Sorted Array	Medium	View Solutions
34. Find First and Last Position of Element in Sorted Array	Medium	View Solutions
35. Search Insert Position	Easy	View Solutions
36. Valid Sudoku	Medium	View Solutions
37. Sudoku Solver	Hard	View Solutions
38. Count and Say	Easy	View Solutions
39. Combination Sum	Medium	View Solutions
40. Combination Sum II	Medium	View Solutions
41. First Missing Positive	Hard	View Solutions
42. Trapping Rain Water	Hard	View Solutions
43. Multiply Strings	Medium	View Solutions
44. Wildcard Matching	Hard	View Solutions
45. Jump Game II	Hard	View Solutions
46. Permutations	Medium	View Solutions
47. Permutations II	Medium	View Solutions
48. Rotate Image	Medium	View Solutions
49. Group Anagrams	Medium	View Solutions
50. Pow(x, n)	Medium	View Solutions
51. N-Queens	Hard	View Solutions
52. N-Queens II	Hard	View Solutions
53. Maximum Subarray	Easy	View Solutions
54. Spiral Matrix	Medium	View Solutions
55. Jump Game	Medium	View Solutions
56. Merge Intervals	Medium	View Solutions
57. Insert Interval	Hard	View Solutions
58. Length of Last Word	Easy	View Solutions
59. Spiral Matrix II	Medium	View Solutions
60. Permutation Sequence	Medium	View Solutions
61. Rotate List	Medium	View Solutions
62. Unique Paths	Medium	View Solutions
63. Unique Paths II	Medium	View Solutions
64. Minimum Path Sum	Medium	View Solutions
65. Valid Number	Hard	View Solutions
66. Plus One	Easy	View Solutions
67. Add Binary	Easy	View Solutions
68. Text Justification	Hard	View Solutions
69. Sqrt(x)	Easy	View Solutions
70. Climbing Stairs	Easy	View Solutions
71. Simplify Path	Medium	View Solutions
72. Edit Distance	Hard	View Solutions
73. Set Matrix Zeroes	Medium	View Solutions
74. Search a 2D Matrix	Medium	View Solutions
75. Sort Colors	Medium	View Solutions
76. Minimum Window Substring	Hard	View Solutions
77. Combinations	Medium	View Solutions
78. Subsets	Medium	View Solutions
79. Word Search	Medium	View Solutions
80. Remove Duplicates from Sorted Array II	Medium	View Solutions
81. Search in Rotated Sorted Array II	Medium	View Solutions
82. Remove Duplicates from Sorted List II	Medium	View Solutions
83. Remove Duplicates from Sorted List	Easy	View Solutions
84. Largest Rectangle in Histogram	Hard	View Solutions
85. Maximal Rectangle	Hard	View Solutions
86. Partition List	Medium	View Solutions
87. Scramble String	Hard	View Solutions
88. Merge Sorted Array	Easy	View Solutions
89. Gray Code	Medium	View Solutions
90. Subsets II	Medium	View Solutions
91. Decode Ways	Medium	View Solutions
92. Reverse Linked List II	Medium	View Solutions
93. Restore IP Addresses	Medium	View Solutions
94. Binary Tree Inorder Traversal	Medium	View Solutions
95. Unique Binary Search Trees II	Medium	View Solutions
96. Unique Binary Search Trees	Medium	View Solutions
97. Interleaving String	Hard	View Solutions
98. Validate Binary Search Tree	Medium	View Solutions
99. Recover Binary Search Tree	Hard	View Solutions

Now, you can see the list of problems in a table format. You can click on the problem link to view the problem on the LeetCode website. You can also click on the solution link to view the solution of the problem.