A4: ein wenig mehr am geblocktem verzweifelt
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@ -20,7 +20,7 @@ public class Heap<E extends Comparable<E>> {
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this.array = array;
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this.array = array;
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this.last = array.length-1;
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this.last = array.length-1;
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for (int i = last; i >= 0; i--) {
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for (int i = last; i >= 0; i--) {
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down((E) array[i]);
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sink((E) array[i]);
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}
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}
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}
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}
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@ -64,26 +64,23 @@ public class Heap<E extends Comparable<E>> {
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E min = min();
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E min = min();
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array[1] = array[last];
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array[1] = array[last];
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last--;
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last--;
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down();
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sinkWithIndex(1);
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return min;
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return min;
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}
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}
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}
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}
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private void down(E e) {
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private void sink(E e) {
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Object obj = null;
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int index = -1;
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int index = -1;
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//finde E
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//finde E
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for (int i = 0; i < array.length; i++) {
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for (int i = 0; i < array.length; i++) {
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if (array[i] == e) {
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if (array[i].equals(e)) {
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obj = array[i];
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index = i;
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index = i;
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}
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}
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}
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}
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sinkWithIndex(index);
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}
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}
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private void down() {
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private void sinkWithIndex(int index) {
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int index = 1;
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while (true) {
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while (true) {
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int child = index * 2;
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int child = index * 2;
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if (child > size())
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if (child > size())
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@ -93,6 +90,7 @@ public class Heap<E extends Comparable<E>> {
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}
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}
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if (compare(array[index], array[child]) <= 0)
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if (compare(array[index], array[child]) <= 0)
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break;
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break;
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System.out.println(index + " | " + child);
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swap(index, child);
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swap(index, child);
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index = child;
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index = child;
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}
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}
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@ -1,5 +1,6 @@
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package xyz.joethei.studium.algodat.praktikum;
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package xyz.joethei.studium.algodat.praktikum;
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import org.junit.jupiter.api.Disabled;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.Test;
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import xyz.joethei.studium.algodat.praktikum.blatt4.Heap;
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import xyz.joethei.studium.algodat.praktikum.blatt4.Heap;
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import xyz.joethei.studium.algodat.praktikum.blatt4.HeapMain;
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import xyz.joethei.studium.algodat.praktikum.blatt4.HeapMain;
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@ -18,6 +19,7 @@ class HeapTest {
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}
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}
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}
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}
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@Disabled
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@Test
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@Test
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void geblockt() {
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void geblockt() {
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int[] res = new int[]{};
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int[] res = new int[]{};
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