Mappings for:
- Java edition © 2019
- Python edition © 2019
- C++ edition © 2018
| 3 days | 7 days | 1 month | 4 months | |
|---|---|---|---|---|
| C0 | C1 | C2 | C3 | C4 |
| 4.1 | 4.7 | 4.8 | 4.3, 4.11 | 4.9 |
| 5.1, 5.6 | 5.12, 5.18 | 5.2, 5.17 | 5.5, 5.9 | 5.3, 5.10, 5.15 |
| 6.1 | 6.2, 6.4 | 6.5, 6.6 | 6.7, 6.8 | 6.9, 6.11 |
| 7.1 | 7.2, 7.3 | 7.4, 7.7 | 7.10 | 7.11 |
| 8.1 | 8.6 | 8.2, 8.7 | 8.3, 8.8 | 8.4 |
| 9.1 | 9.4 | 9.2, 9.12 | 9.11 | 9.13, 9.16 |
| 10.1 | 10.4 | 10.3 | 10.5 | 10.6 |
| 11.1 | 11.4, 11.8 | 11.3, 11.9 | 11.5, 11.10 | 11.6, 11.7 |
| 12.2 | 12.3, 12.5 | 12.1, 12.5 | 12.4, 12.6 | 12.9 |
| 13.1 | 13.2 | 13.6 | 13.8, 13.11 | 13.9 |
| 14.1 | 14.2, 14.3 | 14.4 | 14.5, 14.8 | 14.7 |
| 15.1 | 15.2 | 15.3 | 15.4, 15.9 | 15.6, 15.10 |
| 16.1 | 16.2 | 16.3, 16.6 | 16.5, 16.7 | 16.12 |
| 17.4 | 17.6 | 17.5 | 17.7 | 17.8 |
| 18.1 | 18.7 | 18.2 | 18.3 | 18.5 |
| 19.3 | 19.6 | 19.8 | 19.9 | 20.9 |
| 20.13 | 20.15 | 20.16 | 20.1 | 20.2 |
| Problem | LeetCode |
|---|---|
| 4.1 | |
| 4.2 | |
| 4.3 | 190. Reverse Bits |
| 4.4 | |
| 4.5 | |
| 4.6 | |
| 4.7 | 50. Pow(x,n) |
| 4.8 | |
| 4.9 | 9. Palindrome Number |
| 4.10 | 470. Implement Rand10() using Rand7() note: book is implement Rand6() with Rand2() |
| 4.11 | 836. Rectangle Overlap note: book asks to determine overlapping area where it exists |
| Problem | LeetCode |
|---|---|
| 5.1 | 75. Sort Colors |
| 5.2 | 66. Plus One |
| 5.3 | |
| 5.4 | 55. Jump Game |
| 5.5 | 26. Remove Duplicates from Sorted Array |
| 5.6 | 121. Best Time to Buy and Sell Stock |
| 5.7 | 123. Best Time to Buy and Sell Stock III |
| 5.8 | 280. Wiggle Sort |
| 5.9 | 204. Count Primes note: book asks to return a list of the primes |
| 5.10 | |
| 5.11 | 31. Next Permutation |
| 5.12 | |
| 5.13 | |
| 5.14 | 384. Shuffle an Array |
| 5.15 | |
| 5.16 | |
| 5.17 | 36. Valid Sudoku |
| 5.18 | 54. Spiral Matrix |
| 5.19 | 48. Rotate Image |
| 5.20 | 118. Pascal's Triangle |
| Problem | LeetCode |
|---|---|
| 6.1 | 8. String to Integer (atoi) note: book asks for Integer to String (itoa) as well |
| 6.2 | |
| 6.3 | 171. Excel Sheet Column Number |
| 6.4 | |
| 6.5 | 125. Valid Palindrome |
| 6.6 | 186. Reverse Words in a String II |
| 6.7 | 17. Letter Combinations of a Phone Number |
| 6.8 | 38. Count and Say |
| 6.9 | 13. Roman to Integer |
| 6.10 | 93. Restore IP Addresses |
| 6.11 | |
| 6.12 | 443. String Compression |
| 6.13 | 28. Implement strStr() |
| Problem | LeetCode |
|---|---|
| 7.1 | 21. Merge Two Sorted Lists |
| 7.2 | 206. Reverse Linked List |
| 7.3 | 142. Linked List Cycle II |
| 7.4 | 160. Intersection of Two Linked Lists |
| 7.5 | |
| 7.6 | 237. Delete Node in a Linked List |
| 7.7 | 19. Remove Nth Node From End of List |
| 7.8 | 83. Remove Duplicates from Sorted List |
| 7.9 | 61. Rotate List |
| 7.10 | 328. Odd Even Linked List note: odd first instead of even |
| 7.11 | 234. Palindrome Linked List |
| 7.12 | 86. Partition List |
| 7.13 | 2. Add Two Numbers |
| Problem | LeetCode |
|---|---|
| 8.1 | 155. Min Stack note: min instead of max |
| 8.2 | 150. Evaluate Reverse Polish Notation |
| 8.3 | 20. Valid Parenthesis |
| 8.4 | 71. Simplify Path |
| 8.5 | |
| 8.6 | 102. Binary Tree Level Order Traversal |
| 8.7 | 622. Design Circular Queue |
| 8.8 | 232. Implement Queue using Stacks |
| 8.9 |
| Problem | LeetCode |
|---|---|
| 9.1 | 110. Balanced Binary Tree |
| 9.2 | 101. Symmetric Tree |
| 9.3 | 236. Lowest Common Ancestor of a Binary Tree |
| 9.4 | |
| 9.5 | 129. Sum Root to Leaf Numbers |
| 9.6 | 112. Path Sum |
| 9.7 | 94. Binary Tree Inorder Traversal note: solve without recursion |
| 9.8 | 144. Binary Tree Preorder Traversal note: solve without recursion |
| 9.9 | |
| 9.10 | |
| 9.11 | 94. Binary Tree Inorder Traversal note: solve with constant space |
| 9.12 | 105. Construct Binary Tree from Preorder and Inorder Traversal |
| 9.13 | 1028. Recover a Tree From Preorder Traversal |
| 9.14 | |
| 9.15 | 545. Boundary of Binary Tree |
| 9.16 |
| Problem | LeetCode |
|---|---|
| 10.1 | |
| 10.2 | |
| 10.3 | |
| 10.4 | 973. K Closest Points to Origin |
| 10.5 | 295. Find Median from Data Stream |
| 10.6 |
| Problem | LeetCode |
|---|---|
| 11.1 | |
| 11.2 | |
| 11.3 | 33. Search in Rotated Sorted Array |
| 11.4 | 69. Sqrt(x) |
| 11.5 | |
| 11.6 | 240. Search a 2D Matrix II |
| 11.7 | |
| 11.8 | 215. Kth Largest Element in an Array |
| 11.9 | |
| 11.10 |
| Problem | LeetCode |
|---|---|
| 12.1 | 266. Palindrome Permutation |
| 12.2 | 383. Ransom Note |
| 12.3 | |
| 12.4 | |
| 12.5 | |
| 12.6 | 76. Minimum Window Substring note: strings instead of arrays |
| 12.7 | 727. Minimum Window Subsequence note: strings instead of arrays |
| 12.8 | |
| 12.9 | |
| 12.10 | |
| 12.11 | |
| 12.12 |
| Problem | LeetCode |
|---|---|
| 13.1 | |
| 13.2 | 88. Merge Sorted Array |
| 13.3 | 274. H-Index |
| 13.4 | |
| 13.5 | |
| 13.6 | |
| 13.7 | 56. Merge Intervals |
| 13.8 | |
| 13.9 | |
| 13.10 | |
| 13.11 | 148. Sort List |
| 13.12 |
| Problem | LeetCode |
|---|---|
| 14.1 | 98. Validate Binary Search Tree |
| 14.2 | 285. Inorder Successor in BST |
| 14.3 | |
| 14.4 | 235. Lowest Common Ancestor of a Binary Search Tree |
| 14.5 | |
| 14.6 | |
| 14.7 | |
| 14.8 | 108. Convert Sorted Array to Binary Search Tree |
| 14.9 | |
| 14.10 | |
| 14.11 |
| Problem | LeetCode |
|---|---|
| 15.1 | |
| 15.2 | 51. N-Queens |
| 15.3 | 46. Permutations |
| 15.4 | 78. Subsets |
| 15.5 | |
| 15.6 | 22. Generate Parentheses |
| 15.7 | 131. Palindrome Partioning |
| 15.8 | |
| 15.9 | 37. Sudoku Solver |
| 15.10 | 89. Gray Code |
| Problem | LeetCode |
|---|---|
| 16.1 | |
| 16.2 | 72. Edit Distance |
| 16.3 | 62. Unique Paths |
| 16.4 | |
| 16.5 | |
| 16.6 | |
| 16.7 | 140. Word Break II |
| 16.8 | 120. Triangle |
| 16.9 | 877. Stone Game |
| 16.10 | 70 Climbing Stairs |
| 16.11 | |
| 16.12 | 300. Longest Increasing Subsequence |
| Problem | LeetCode |
|---|---|
| 17.1 | |
| 17.2 | |
| 17.3 | |
| 17.4 | 15. 3Sum |
| 17.5 | 169. Majority Element |
| 17.6 | 134. Gas Station |
| 17.7 | 11. Container With Most Water |
| 17.8 | 84. Largest Rectangle in Histogram |
| Problem | LeetCode |
|---|---|
| 18.1 | 505. The Maze II note: shortest path instead of any path |
| 18.2 | 733. Flood Fill |
| 18.3 | 1020. Number of Enclaves |
| 18.4 | |
| 18.5 | |
| 18.6 | |
| 18.7 | |
| 18.8 |