// practice ground
| # | Title | Topics | Difficulty |
|---|---|---|---|
| 851 | Recursive Mosaic Expansion |
Divide and Conquer
Recursion
|
Hard |
| 852 | Dynamic Forest Borders |
Trees
Union Find (Disjoint Set)
|
Medium |
| 853 | Beacon Alignment Survey |
Geometry
Math
|
Easy |
| 854 | Conveyor Load Oscillation |
Queues
Simulation
|
Medium |
| 855 | Hierarchical Archive Compression |
Dynamic Programming
Trees
|
Hard |
| 856 | Priority Evacuation Registry |
Greedy
Queues
|
Medium |
| 857 | Mirror Terrain Reconstruction |
Graphs
Matrix
|
Medium |
| 858 | Incremental Formula Evaluator |
Design
Operators
|
Medium |
| 859 | Glacier Fracture Predictor |
Dynamic Programming
Graphs
|
Hard |
| 860 | Circular Harvest Rotation |
Arrays
Simulation
|
Medium |
| 861 | Symbol Dependency Collapse |
DFS
Graphs
|
Hard |
| 862 | Ancient Calendar Converter |
Math
Variables
|
Easy |
| 863 | Skyline Illumination Planner |
Geometry
Greedy
|
Hard |
| 864 | Adaptive Parcel Consolidation |
Greedy
Sorting
|
Medium |
| 865 | Recursive Archive Indexing |
Recursion
Trie
|
Medium |
| 866 | Resource Influence Cascade |
BFS
Graphs
|
Medium |
| 867 | Multi-Stage Queue Arbitration |
Design
Queues
|
Medium |
| 868 | Variable Scope Inspector |
Stacks
Variables
|
Medium |
| 869 | Circular Canal Expansion |
Binary Search
Graphs
|
Hard |
| 870 | Pattern Stability Verifier |
Hashing
Strings
|
Medium |
| 871 | Observatory Alignment Network |
Geometry
Graphs
|
Hard |
| 872 | Fragment Ownership Registry |
Design
Hashing
|
Medium |
| 873 | Recursive Habitat Partition |
Divide and Conquer
Recursion
|
Hard |
| 874 | Cargo Priority Exchange |
Greedy
Heaps / Priority Queue
|
Medium |
| 875 | Binary Weather Archive |
Arrays
Bit Manipulation
|
Easy |
