alazyreader/AdventOfCode2025
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make the two parts structurally similar

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David
2025-12-01 21:20:27 -05:00
parent e7622d74d5
commit 8830face19
1 changed files with 5 additions and 4 deletions
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9
src/Day01.java
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@@ -16,11 +16,12 @@ public class Day01 {
while (scanner.hasNextLine()) {
String instruction = scanner.nextLine();
int change = Integer.parseInt(instruction.substring(1));
dial = switch (instruction.charAt(0)) {
case 'L' -> (dial - change) % 100;
case 'R' -> (dial + change) % 100;
default -> dial; // impossible
int step = switch (instruction.charAt(0)) {
case 'L' -> -1;
case 'R' -> 1;
default -> 0; // impossible
};
dial = (dial + change * step) % 100;
if (dial == 0) {
password += 1;
}