ajout de remove dans BinaryHeap

be-graphes-algos/src/main/java/org/insa/graphs/algorithm/utils/BinaryHeap.java

@@ -134,7 +134,29 @@ public class BinaryHeap<E extends Comparable<E>> implements PriorityQueue<E> {
 
     @Override
     public void remove(E x) throws ElementNotFoundException {
-        // TODO:
+        int ind = -1;
+        for (int i = 0; i < currentSize; i++) {
+            if (this.array.get(i).equals(x)) {
+                ind = i;
+                break;
+            }
+        }
+
+        if (ind == -1) {
+            throw new ElementNotFoundException(x);
+        }
+
+        int lastIndex = currentSize - 1;
+        if (ind != lastIndex) {
+            E lastElement = this.array.get(lastIndex);
+            this.array.set(ind, lastElement);
+            currentSize--;
+            percolateDown(ind);
+            percolateUp(ind);
+        } else {
+            currentSize--;
+        }
+        
     }
 
     @Override