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Dynamic Programming: Problem Solving
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DP on Trees
Problemset
Discussion
AI Helper
Getting Started
0/4
Knapsack
0/56
Interval DP
0/38
DP on Trees
0/44
1
Introduction to DP on Trees
2
What Tree DP Solves
3
When to Use Tree DP
4
Problem - Binary Tree Max Path Sum
5
Binary Tree Max Path Sum - Why Naive Fails
6
Binary Tree Max Path Sum - Defining the DP
7
Binary Tree Max Path Sum - Transition
8
Binary Tree Max Path Sum - Base Cases
9
Binary Tree Max Path Sum - Implementation
10
Binary Tree Max Path Sum - Time and Space
11
Binary Tree Max Path Sum - Edge Cases
12
Lessons from Binary Tree Max Path Sum
13
Problem - Tree Distances II
14
Tree Distances II - Why Naive Fails
15
Tree Distances II - Defining the DP
16
Tree Distances II - Transition
17
Tree Distances II - Base Cases
18
Tree Distances II - Implementation
19
Tree Distances II - Time and Space
20
Tree Distances II - Edge Cases
21
Lessons from Tree Distances II
22
Problem - Distance in Tree
23
Distance in Tree - Why Naive Fails
24
Distance in Tree - Defining the DP
25
Distance in Tree - Core Logic
26
Distance in Tree - Implementation
27
Lessons from Distance in Tree
28
Problem - Tree Diameter
29
Tree Diameter - Solution
30
Tree Diameter - Complexity
31
Problem - Tree Painting
32
Tree Painting - Solution
33
Tree Painting - Rerooting Formula
34
Problem - Tree Matching
35
Tree Matching - Solution
36
Tree Matching - Greedy Solution
37
Problem - Binary Tree Cameras
38
Binary Tree Cameras - Solution
39
Quiz: Tree DP Patterns
40
Quiz: Tree DP Edge Cases
41
Common Mistakes in Tree DP
42
Problem - Longest Path With Different Adjacent Characters
43
Longest Path With Different Adjacent Characters - Implementation
44
Section Recap
Bitmask DP
0/50
String DP
0/38
Game Theory DP
0/44
Digit DP
0/58
4.1
Introduction to DP on Trees
2 minutes
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