Preprint
Jul 2026
$\tilde{O}$ptimal Algorithm for 2-Approximate All Pair Shortest Paths -- almost
A randomized algorithm is designed that runs in $\tilde{O}(n^2)$ time and, with high probability, guarantees a 2-approximation for all pairs at distance at least $c$, where $c \ge 0$ is a constant.
Manoj Gupta, Mrigankashekhar Shandilya
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