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Data Structures
Sparse Tables
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Arrays & Prefix Sums
0/50
Stacks & Monotonic Stacks
0/40
Queues & Deques
0/38
Hash Tables
0/40
Heaps & Priority Queues
0/43
Linked Lists
0/36
Binary Trees
0/35
Binary Search Trees
0/35
Tries
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Union-Find
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Segment Trees
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Fenwick Trees
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Sparse Tables
0/35
1
Intro
2
Power-of-2 Ranges
3
Building the Table
4
The Overlap Trick
5
Precomputing Log Values
6
Problem - Range Minimum Query
7
Sparse Table RMQ Solution
8
RMQ Solution
9
Idempotent Operations
10
Non-Idempotent Queries
11
Problem - Range GCD Queries
12
Range GCD Solution
13
LCA with Sparse Table
14
Euler Tour Construction
15
Problem - LCA Queries
16
LCA Solution
17
Range Max with Index
18
2D Sparse Table
19
Sparse Table vs Others
20
Problem - Static Range Min
21
Static RMQ Solution
22
Second Minimum Query
23
Min with Index
24
Disjoint Sparse Tables
25
Sparse Table for Matrices
26
Problem - Range Xor Queries
27
Range XOR Solution
28
Problem - Forest Queries
29
Forest Queries Solution
30
Common Sparse Table Mistakes
31
Space Optimization
32
RMQ to LCA Reduction
33
Challenge: Multiple Values
34
Quiz: Sparse Tables
35
Section Recap
Sqrt Decomposition
0/42
Advanced Trees
0/42
Interval Trees
0/40
Wavelet Trees
0/37
Link-Cut Trees
0/39
Persistent Data Structures
0/37
13.1
Intro
2 minutes
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Tasks
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