// practice ground
| # | Title | Topics | Difficulty |
|---|---|---|---|
| 426 | Dynamic Bridge Planner |
Dynamic Programming
Graphs
|
Hard |
| 427 | Sliding Peak Counter |
Arrays
Sliding Window
|
Easy |
| 428 | Recursive Binary Painter |
Matrix
Recursion
|
Medium |
| 429 | Echo Trie Paths |
DFS
Trie
|
Medium |
| 430 | Priority Circle Scheduler |
Heaps / Priority Queue
Simulation
|
Medium |
| 431 | Variable Expression Tree |
Trees
Variables
|
Medium |
| 432 | Hidden Polygon Route |
Geometry
Graphs
|
Hard |
| 433 | Queue Pulse Analyzer |
Math
Queues
|
Medium |
| 434 | Mirror Segment Sort |
Sorting
Two Pointers
|
Medium |
| 435 | Crystal Tree Balance |
Greedy
Trees
|
Medium |
| 436 | Spiral Gate Network |
Loops
Matrix
|
Easy |
| 437 | Adaptive Prefix Matcher |
Strings
Trie
|
Medium |
| 438 | Prime Interval Compression |
Intervals
Number Theory
|
Medium |
| 439 | Binary Reflection Search |
Binary Search
Bit Manipulation
|
Hard |
| 440 | Conditional Number Machine |
Conditionals
Operators
|
Easy |
| 441 | Linked Orbit Merge |
Linked List
Simulation
|
Medium |
| 442 | Fortress Expansion Plan |
Graphs
Greedy
|
Hard |
| 443 | Recursive Interval Puzzle |
Divide and Conquer
Intervals
|
Hard |
| 444 | Character Frequency Chain |
Characters
Hashing
|
Easy |
| 445 | Stack Reflection Game |
Stacks
Strings
|
Medium |
| 446 | Union Fortress Builder |
Graphs
Union Find (Disjoint Set)
|
Medium |
| 447 | Skyline Binary Walker |
Binary Search Tree
DFS
|
Medium |
| 448 | Rotating Number Spiral |
Math
Matrix
|
Easy |
| 449 | Sliding Beacon Detector |
Hashing
Sliding Window
|
Medium |
| 450 | Quantum Route Divider |
Divide and Conquer
Graphs
|
Hard |
