Tarjan's off-line lowest common ancestors algorithm (Off-Line Lowest Common Ancestor Lowest Common Ancestor)

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Time Complexity

$O(n+m)$

Space Complexity

$O(n)$ words

(https://www.semanticscholar.org/paper/Fast-Algorithms-for-Finding-Nearest-Common-Harel-Tarjan/8867d059dda279b1aed4a0301e4e46f9daf65174)

Description

Approximate?

Exact

Randomized?

No, deterministic

Model of Computation

Word RAM

Year

1984

Reference

https://www.semanticscholar.org/paper/Fast-Algorithms-for-Finding-Nearest-Common-Harel-Tarjan/8867d059dda279b1aed4a0301e4e46f9daf65174

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