// practice ground

Problems

# Title Topics Difficulty
976 Persistent Segment Compression
Design Segment Tree
Hard
977 Two-Dimensional Interval Tree
Intervals Segment Tree
Hard
978 Mergeable Priority Queues
Design Heaps / Priority Queue
Hard
979 Fully Persistent Queue
Design Queues
Hard
980 Lock-Free Circular Buffer Simulation
Design Queues
Hard
981 External Memory Merge Planner
Design Sorting
Hard
982 Dynamic Graph Bipartiteness Queries
Graphs Union Find (Disjoint Set)
Hard
983 Online Bridge Detection
DFS Graphs
Hard
984 Dynamic Articulation Point Queries
DFS Graphs
Hard
985 Shortest Path Under Forbidden Vertices
BFS Graphs
Hard
986 Trie-Based Approximate String Matching
Strings Trie
Hard
987 Compressed Graph Reachability Index
Graphs Hashing
Medium
988 Multi-Version Disjoint Set Union
Design Union Find (Disjoint Set)
Hard
989 Adaptive Binary Search Strategy Optimizer
Binary Search Design
Hard
990 Dynamic Matrix Connectivity
Matrix Union Find (Disjoint Set)
Hard
991 Hierarchical Interval Index
Intervals Trees
Medium
992 Unified Search Structure Simulator
Design Searching
Hard
993 Kaprekar Number Check
Math
Easy
994 Graph Path Existence via DFS
DFS Graphs
Easy
995 Circular Dependency Detection in Assignments
Graphs Variables
Medium
996 Variable Scope Resolution Order
Trees Variables
Medium
997 Diagonal Zigzag Matrix Fill
Matrix Simulation
Medium
998 Shortest Escape from a Weighted Grid
Graphs Matrix
Medium
999 Multi-Exit Maze Shortest Path
BFS Graphs Matrix
Medium
1000 Operator Precedence Evaluator
Operators Strings
Medium
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