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Lowest Common Ancestor

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লোয়েস্ট কমন অ্যানসেস্টর

Lowest Common Ancestor, Binary Lifting and HLD 

copsiitbhu.co.in 

Lowest Common Ancestor - O(N−−√) and O(logN) with O(N) preprocessing

Lowest Common Ancestor - Binary Lifting

Lowest Common Ancestor - Farach-Colton and Bender Algorithm

Solve RMQ (Range Minimum Query) by finding LCA (Lowest Common Ancestor)

Lowest Common Ancestor - Tarjan's off-line algorithm

topcoder

Lowest Common Ancestor

CF 

Lowest Common Ancestor in a Binary Search Tree. 

[Tutorial] Searching Binary Indexed Tree in O(log(N)) using Binary Lifting 

CF blog 

Youtube Video:

Gaurav Sen 

Rachit jain 

TusharRoy

Algorithms Live 

ACM Advanced Training 2018 - Lecture 2-2 - LCA and Sparse Table

 Problem:

Problems 

LCA problems 

Codechef

E-maxx blog problem list  

LCA   SOLUTION   

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