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import java.util.*; import java.util.stream.Collectors; import java.util.stream.IntStream; import static org.junit.Assert.assertArrayEquals; /** * Created by jeremy on 03/13/2019. */ public class Programmers { public static int[] solution(int[] progresses, int[] speeds) { List deploys = new ArrayList<>(); Queue works = IntStream.range(0, progresses.length).boxed().collect(Collectors.toCollection(LinkedList::new)); while (!works.isEmpty()) { int done = 0; // 1. check if work is done for (int i = 0; i < progresses.length; i++) { int progress = progresses[i]; if (works.element() == i && progress >= 100) { done++; works.remove(); } } if (done > 0) deploys.add(done); // 2. work for (int i = 0; i < progresses.length; i++) { if (progresses[i] < 100) { // print(progresses); progresses[i] += speeds[i]; } } } return deploys.stream().mapToInt(i -> i).toArray(); } public static void print(int[] progresses) { Arrays.stream(progresses).boxed().forEach(p -> System.out.print(p + " ")); System.out.println(); } public static void main(String[] args) { assertArrayEquals(new int [] { 2, 1 }, solution(new int [] { 93,30,55 }, new int[] { 1,30,5 })); } }