001package algs42; 002 003public class MyDegrees { 004 // TODO: complete the methods 005 // The constructor may take time proportional to V+E 006 // The other methods should all take constant time 007 public MyDegrees(Digraph G) { } 008 009 // indegree of v 010 public int indegree(int v) { return 0; } 011 012 // outdegree of v 013 public int outdegree(int v) { return 0; } 014 015 // sources 016 public Iterable<Integer> sources() { return null; } 017 018 // sinks 019 public Iterable<Integer> sinks() { return null; } 020 021 // is G a map? 022 public boolean isMap() { return false; } 023}