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- String fileName = "input.txt";
- BufferedReader reader;
- void setup() {
- reader = createReader(fileName);
- println(day1_1());
- // answer 3371958
- reader = createReader(fileName);
- println(day1_2());
- //answer 5055050
- }
- int day1_1() {
- boolean ready = false;
- String line;
- int fuel = 0;
- while (!ready) {
- try {
- line = reader.readLine();
- }
- catch (IOException e) {
- line = null;
- ready = true;
- }
- if (line == null) {
- ready = true;
- } else {
- int tempFuel = module(int(line));
- fuel += tempFuel;
- }
- }
- return fuel;
- }
- int day1_2() {
- IntList modules = new IntList();
- boolean ready = false;
- String line;
- int totalFuel = 0;
- int moduleFuel = 0;
- while (!ready) {
- try {
- line = reader.readLine();
- }
- catch (IOException e) {
- line = null;
- ready = true;
- }
- if(line != null) {
- //println(line);
- moduleFuel = module(int(line));
- int tempFuel = moduleFuel;
- while (tempFuel > 0) {
- tempFuel = module(tempFuel);
- if (tempFuel > 0)
- moduleFuel += tempFuel;
- }
- modules.append(moduleFuel);
- } else {
- ready = true;
- }
- }
- for(int values : modules)
- totalFuel += values;
- return totalFuel;
- }
- int module(int fuel) {
- return floor(fuel / 3) - 2;
- }
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