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Pattern 22: LeetCode Interview Patterns
Backtracking
Problemset
Discussion
AI Helper
Getting Started
0/5
Hash Map Patterns
0/33
Two Pointers
0/31
Sliding Window
0/33
Prefix Sum
0/32
Binary Search
0/33
Linked List
0/29
Stack Patterns
0/31
Monotonic Stack
0/32
Heap / Priority Queue
0/32
Trees
0/31
Trie
0/32
Backtracking
0/34
1
What is Backtracking
2
Prerequisites
3
When to Use
4
When NOT to Use
5
LeetCode 784 Letter Case Permutation - Problem Statement
6
LeetCode 784 Letter Case Permutation - Solution
7
LeetCode 784 Letter Case Permutation - Example and Complexity Analysis
8
LeetCode 784 Letter Case Permutation - Implementation
9
LeetCode 46 Permutations - Problem Statement
10
Quiz: Backtracking Essentials
11
LeetCode 46 Permutations - Why Naive Fails
12
LeetCode 46 Permutations - Solution
13
LeetCode 46 Permutations - Example and Complexity Analysis
14
LeetCode 46 Permutations - Implementation
15
LeetCode 78 Subsets - Problem Statement
16
LeetCode 78 Subsets - Solution
17
LeetCode 78 Subsets - Example and Complexity Analysis
18
LeetCode 78 Subsets - Implementation
19
LeetCode 39 Combination Sum - Problem Statement
20
LeetCode 39 Combination Sum - Why Naive Fails
21
LeetCode 39 Combination Sum - Solution
22
LeetCode 39 Combination Sum - Example and Complexity Analysis
23
LeetCode 39 Combination Sum - Implementation
24
LeetCode 51 N-Queens - Problem Statement
25
Quiz: N-Queens Constraints
26
LeetCode 51 N-Queens - Why Naive Fails
27
LeetCode 51 N-Queens - Solution
28
LeetCode 51 N-Queens - Example and Complexity Analysis
29
LeetCode 51 N-Queens - Implementation
30
LeetCode 212 Word Search II - Problem Statement
31
LeetCode 212 Word Search II - Solution
32
LeetCode 212 Word Search II - Implementation
33
Common Mistakes
34
Section Recap
Graphs - BFS
0/32
Graphs - DFS
0/36
Topological Sort
0/32
Union Find
0/40
Dynamic Programming - 1D
0/36
Dynamic Programming - 2D
0/32
Intervals
0/31
Greedy
0/40
Bit Manipulation
0/34
Segment Tree
0/27
30-Day LeetCode Study Plan
0/8
13.1
What is Backtracking
2 minutes
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Tasks
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