https://www.hackerrank.com/challenges/compare-the-triplets/problem
public static List<Integer> compareTriplets(List<Integer> a, List<Integer> b) {
// Write your code here
List<Integer> out = new ArrayList<Integer>(2);
out.add(0);
out.add(0);
for (int i = 0; i < a.size(); i++) {
if (a.get(i) > b.get(i))
out.set(0, out.get(0) + 1);
else if (a.get(i) < b.get(i))
out.set(1, out.get(1) + 1);
}
return out;
}