public class Solution1 extends Solution { public Solution1() { super(1); } public static void main(String[] args) { Solution1 solution = new Solution1(); solution.testPartTwo(); } @Override String solvePartOne(String inputData) { int safePosition = 50; int steps = 0; for (String line : inputData.split("\n")) { switch (line.charAt(0)) { case 'L': safePosition -= Integer.parseInt(line.substring(1)); break; case 'R': safePosition += Integer.parseInt(line.substring(1)); break; default: break; } safePosition = (safePosition + 100) % 100; steps += safePosition == 0 ? 1 : 0; } return String.valueOf(steps); } @Override String solvePartTwo(String inputData) { int safePosition = 50; int steps = 0; for (String line : inputData.split("\n")) { char dir = line.charAt(0); int dist = Integer.parseInt(line.substring(1)); for (int i = 0; i < dist; i++) { if (dir == 'L') safePosition = (safePosition + 99) % 100; else safePosition = (safePosition + 1) % 100; if (safePosition == 0) steps++; } } return String.valueOf(steps); } }