java/2016/15: add solution for part 2

Author: saser

java/src/main/java/com/github/saser/adventofcode/year2016/day15/Day15.java

@@ -21,6 +21,9 @@ public static Result part2(Reader r) {
 
     private static Result solve(Reader r, int part) {
         var discs = Day15.parse(r);
+        if (part == 2) {
+            discs.add(new Tuple3<>(discs.size() + 1L, 11L, 0L));
+        }
         var equations = discs.stream()
                 .map(tuple -> {
                     var disc = tuple.v1;

java/src/test/java/com/github/saser/adventofcode/year2016/day15/Day15Test.java

@@ -27,22 +27,13 @@ public void part1Actual() throws IOException {
         }
     }
 
-    // @Test
-    // public void part2Example() {
-    //     var input = new StringReader("");
-    //     var output = "";
-    //     var result = Day15.part2(input);
-    //     Assert.assertEquals("no error", "", result.error);
-    //     Assert.assertEquals("correct output", output, result.answer);
-    // }
-
-    // @Test
-    // public void part2Actual() throws IOException {
-    //     try (var input = new FileReader("inputs/2016/15")) {
-    //         var output = "";
-    //         var result = Day15.part2(input);
-    //         Assert.assertEquals("no error", "", result.error);
-    //         Assert.assertEquals("correct output", output, result.answer);
-    //     }
-    // }
+     @Test
+     public void part2Actual() throws IOException {
+         try (var input = new FileReader("inputs/2016/15")) {
+             var output = "2353212";
+             var result = Day15.part2(input);
+             Assert.assertEquals("no error", "", result.error);
+             Assert.assertEquals("correct output", output, result.answer);
+         }
+     }
 }