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LeetCode
LeetCode Questions Solution
1. 2409. Count Days Spent Together
150
2. 1503. Last Moment Before All Ants Fall Out of a Plank
150
3. 2144. Minimum Cost of Buying Candies With Discount
150
4. 242. Valid Anagram
158
5. 236. Lowest Common Ancestor of a Binary Tree
160
6. 1881. Maximum Value after Insertion
161
7. 1290. Convert Binary Number in a Linked List to Integer
164
8. 36. Valid Sudoku
166
9. 275. H-Index II
166
10. 628. Maximum Product of Three Numbers
166
11. 494. Target Sum
167
12. 378. Kth Smallest Element in a Sorted Matrix
169
13. 516. Longest Palindromic Subsequence
170
14. 1299. Replace Elements with Greatest Element on Right Side
170
15. 561. Array Partition I
171
16. 141. Linked List Cycle
172
17. 436. Find Right Interval
173
18. 1389. Create Target Array in the Given Order
173
19. 169. Majority Element
174
20. 307. Range Sum Query - Mutable
174
21. 387. First Unique Character in a String
174
22. 237. Delete Node in a Linked List
174
23. 430. Flatten a Multilevel Doubly Linked List
174
24. 380. Insert Delete GetRandom O(1)
175
25. 130. Surrounded Regions
176
26. 394. Decode String
178
27. 1481. Least Number of Unique Integers after K Removals
178
28. 328. Odd Even Linked List
179
29. 229. Majority Element II
179
30. 672. Richest Customer Wealth
180
31. 332. Reconstruct Itinerary
180
32. 71. Simplify Path
181
33. 1217. Minimum Cost to Move Chips to The Same Position
181
34. 83. Remove Duplicates from Sorted List
182
35. 53. Maximum Subarray
182
36. 1748. Sum of Unique Elements
182
37. 167. Two Sum II - Input array is sorted
182
38. 62. Unique Paths
183
39. 34. Find First and Last Position of Element in Sorted Array
183
40. 1465. Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts
183
41. 952. Largest Component Size by Common Factor
183
42. 1480. Running Sum of 1d Array
183
43. 821. Shortest Distance to a Character
184
44. 1268. Search Suggestions System
184
45. 739. Daily Temperatures
185
46. 2149. Rearrange Array Elements by Sign
185
47. 123. Best Time to Buy and Sell Stock III
185
48. 97. Interleaving String
185
49. 347. Top K Frequent Elements
186
50. 260. Single Number III
186
51. 137. Single Number II
186
52. 33. Search in Rotated Sorted Array
187
53. 844. Backspace String Compare
187
54. 415. Add Strings
187
55. 771. Jewels and Stones
187
56. 461. Hamming Distance
187
57. 215. Kth Largest Element in an Array
187
58. 1525. Number of Good Ways to Split a String
187
59. 925. Long Pressed Name
187
60. 119. Pascal's Triangle II
188
61. 42. Trapping Rain Water
188
62. 1047. Remove All Adjacent Duplicates In String
188
63. 144. Binary Tree Preorder Traversal
188
64. 785. Is Graph Bipartite
188
65. 1155. Number of Dice Rolls With Target Sum
189
66. 543. Diameter of Binary Tree
189
67. 1200. Minimum Absolute Difference
189
68. 337. House Robber III
189
69. 392. Is Subsequence
189
70. 101. Symmetric Tree
190
71. 1512. Number of Good Pairs
190
72. 902. Numbers At Most N Given Digit Set
190
73. 977. Squares of a Sorted Array
190
74. 841. Keys and Rooms
190
75. 518. Coin Change 2
190
76. 1678. Goal Parser Interpretation
190
77. 450. Delete Node in a BST
190
78. 50. Pow(x, n)
191
79. 39. Combination Sum
191
80. 17. Letter Combinations of a Phone Number
191
81. 1365. How Many Numbers Are Smaller Than the Current Number
191
82. 695. Max Area of Island
191
83. 733. Flood Fill
191
84. 1832. Check if the Sentence Is Pangram
191
85. 279. Perfect Squares
191
86. 515. Find Largest Value in Each Tree Row
191
87. 1035. Uncrossed Lines
191
88. 1313. Decompress Run-Length Encoded List
191
89. 75. Sort Colors
191
90. 1768. Merge Strings Alternately
192
91. 987. Vertical Order Traversal of a Binary Tree
192
92. 240. Search a 2D Matrix II
192
93. 1221. Split a String in Balanced Strings
192
94. 797. All Paths From Source to Target
192
95. 153. Find Minimum in Rotated Sorted Array
192
96. 832. Flipping an Image
192
97. 1295. Find Numbers with Even Number of Digits
193
98. 402. Remove K Digits
193
99. 905. Sort Array By Parity
193
100. 318. Maximum Product of Word Lengths
193
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