// practice ground
| # | Title | Topics | Difficulty |
|---|---|---|---|
| 1051 | Count Distinct Palindromic Substrings |
Strings
|
Medium |
| 1052 | Shortest Path with Alternating Colors |
Graphs
|
Medium |
| 1053 | K-th Ancestor of a Tree Node |
Trees
|
Easy |
| 1054 | Maximum Score from Performing Multiplication Operations |
Dynamic Programming
|
Hard |
| 1055 | Design an LFU Cache |
Design
|
Hard |
| 1056 | Count Number of Ways to Reach Target with Given Steps |
Recursion
|
Easy |
| 1057 | Minimum Cost to Connect Sticks |
Heaps / Priority Queue
|
Easy |
| 1058 | Find the Duplicate Subtrees |
Trees
|
Medium |
| 1059 | Number of Distinct Islands |
DFS
|
Medium |
| 1060 | Longest Path in a Directed Acyclic Graph |
Graphs
|
Easy |
| 1061 | Design a Snake Game |
Design
|
Medium |
| 1062 | Count Square Submatrices with All Ones |
Matrix
|
Medium |
