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wip(binheap): remove

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This commit is contained in:
Paul Alnet 2024-04-05 09:46:28 +02:00
parent e45e83dc69
commit 04c4316e36
1 changed files with 8 additions and 9 deletions
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17
be-graphes-algos/src/main/java/org/insa/graphs/algorithm/utils/BinaryHeap.java
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@ -137,17 +137,16 @@ public class BinaryHeap<E extends Comparable<E>> implements PriorityQueue<E> {
@Override
public void remove(E x) throws ElementNotFoundException {
// TODO:
if (isEmpty() || !array.contains(x)) {
// TODO optimize indexOf
int index = array.indexOf(x);
if (isEmpty() || index == -1 || index >= this.currentSize) {
throw new ElementNotFoundException(x);
}
int indice_suppression = array.indexOf(x);
arraySet(indice_suppression, array.get(this.currentSize - 1));
//array.remove(this.currentSize);
this.currentSize--;
if (indice_suppression < this.currentSize) {
percolateDown(indice_suppression);
}
// replace element with last element
arraySet(index, array.get(--this.currentSize));
percolateDown(index);
}
@Override