Solutions of the problems that I solved in LeetCode during July LeetCoding Challenge
Day | Problem | Concept | Difficulty |
---|---|---|---|
1 | Arranging Coins | Binary Search | Easy |
2 | Binary Tree Level Order Traversal II | BFS | Easy |
3 | Prison Cells After N Days | SET | Medium |
4 | Ugly Number II | Math | Medium |
5 | Hamming Distance | Bit | Easy |
6 | Plus One | Math | Easy |
7 | Island Perimeter | DFS | Easy |
8 | 3Sum | - | Medium |
9 | Maximum Width of Binary Tree | DFS | Medium |
10 | Flatten a Multilevel Doubly Linked List | Linked List | Medium |
11 | Subsets | Backtracking | Medium |
12 | Reverse Bits | Bit | Easy |
13 | Same Tree | Tree | Easy |
14 | Angle Between Hands of a Clock | Math | Medium |
15 | Reverse Words in a String | Stings | Medium |
16 | Pow(x, n) | Math | Medium |
18 | Course Schedule II | DFS | Medium |
19 | Add Binary | - | Easy |
20 | Remove Linked List Elements | Linked List | Easy |
21 | Word Search | Backtrack | Medium |