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Add Tarjan's algorithm.

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This commit is contained in:
Oleksii Trekhleb 2018-05-11 15:42:42 +03:00
parent 1dd480b906
commit 670ec093f4
1 changed files with 13 additions and 7 deletions
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8
src/algorithms/graph/articulation-points/articulationPoints.js
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@ -65,7 +65,13 @@ export default function articulationPoints(graph) {
// Update the low time with the smallest time of adjacent vertices.
// Get minimum low discovery time from all neighbors.
/** @param {GraphVertex} neighbor */
visitedSet[currentVertex.getKey()].lowDiscoveryTime = currentVertex.getNeighbors().reduce(
visitedSet[currentVertex.getKey()].lowDiscoveryTime = currentVertex.getNeighbors()
.filter(earlyNeighbor => earlyNeighbor.getKey() !== previousVertex.getKey())
/**
* @param {number} lowestDiscoveryTime
* @param {GraphVertex} neighbor
*/
.reduce(
(lowestDiscoveryTime, neighbor) => {
const neighborLowTime = visitedSet[neighbor.getKey()].lowDiscoveryTime;
return neighborLowTime < lowestDiscoveryTime ? neighborLowTime : lowestDiscoveryTime;