WIP GraphAlgorithm
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4 changed files with 116 additions and 3 deletions
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package tests.student;
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import java.util.ArrayList;
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import java.util.List;
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import org.junit.jupiter.api.Test;
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import base.Edge;
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import base.Graph;
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import base.GraphAlgorithm;
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import base.Node;
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public class GraphAlgoComplexityTest {
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@Test
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public void test() {
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for (int i = 1; i < 100; i++) {
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Graph<Integer> g = generateGraph(i);
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DumbGraphAlgorithm ga = new DumbGraphAlgorithm(g, g.getNodes().get(0));
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ga.run();
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double divN = (double)ga.getN() / (double)i;
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double divN2 = (double)ga.getN() / ((double)i*i);
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double divN3 = (double)ga.getN() / ((double)i*i*i);
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System.out.println(i + "," + ga.getN() + "," + divN + "," + divN2 + "," + divN3);
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}
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}
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public Graph<Integer> generateGraph(int n) {
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Graph<Integer> g = new Graph<Integer>();
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List<Node<Integer>> nodes = new ArrayList<>();
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for (int i = 0; i < n; i++)
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nodes.add(g.addNode(i));
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for (int i = 0; i < n; i++) {
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for (int j = 0; j < n; j++) {
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if (i != j)
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g.addEdge(nodes.get(i), nodes.get(j));
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}
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}
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return g;
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}
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public class DumbGraphAlgorithm extends GraphAlgorithm<Integer> {
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public DumbGraphAlgorithm(Graph<Integer> graph, Node<Integer> sourceNode) {
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super(graph, sourceNode);
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}
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@Override
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protected double getValue(Edge<Integer> edge) {
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return 100.0;
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}
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@Override
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protected boolean isPassable(Edge<Integer> edge) {
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return true;
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}
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@Override
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protected boolean isPassable(Node<Integer> node) {
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return true;
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}
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}
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}
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