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DSA
Data Structures & Algorithms
Array And String Techniques
Array and string techniques
Monotonic Stack
Prefix sums
Sliding Window
Two Pointers
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Search
Binary search (sorted array)
Binary search (answer space)
Traversal
Traversal (trees and graphs)
BFS
DFS
Dynamic Programming
Dynamic programming
1D DP
2D DP
Heap
Heap / Priority queue
Heap
Other Techniques
Other techniques
Greedy
Hashing patterns
Intervals
Linked list (fast/slow pointer)
Trie
Union Find
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Prefix sums
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