Day02 2019

2020-12-30 19:18:24 +01:00
parent 4a90257257
commit 4fef41464e
5 changed files with 119 additions and 3 deletions
@@ -0,0 +1,44 @@
+package be.vandewalleh.aoc;
+
+import be.vandewalleh.aoc.intcode.IntCodeInterpreter;
+import be.vandewalleh.aoc.utils.factory.Days;
+import be.vandewalleh.aoc.utils.input.Csv;
+import be.vandewalleh.aoc.utils.input.Day;
+import be.vandewalleh.aoc.utils.input.Input;
+
+@Day(2)
+public class Day02 {
+
+    public static void main(String[] args) {
+        var day = Days.createDay(Day02.class);
+        System.out.println(day.part1());
+        System.out.println(day.part2());
+    }
+
+    private final int[] input;
+
+    public Day02(@Csv Input<int[]> input) {
+        this.input = input.getValue();
+    }
+
+    private long runInterpreterWith(int noun, int verb) {
+        var interpreter = new IntCodeInterpreter(input);
+        interpreter.setNoun(noun);
+        interpreter.setVerb(verb);
+        interpreter.run();
+        return interpreter.getOutput();
+    }
+
+    public long part1() {
+        return runInterpreterWith(12, 2);
+    }
+
+    public int part2() {
+        for (var noun = 0; noun < 99; noun++) {
+            for (var verb = 0; verb < 99; verb++) {
+                if (runInterpreterWith(noun, verb) == 19690720L) return 100 * noun + verb;
+            }
+        }
+        return -1;
+    }
+}