import java.util.*; public class Solution { public int rectCover(int target) { if(target==0||target==1||target==2){ return target; } return rectCover(target-1)+rectCover(target-2); } }
import java.util.*; public class Solution { public int rectCover(int target) { if(target==0||target==1||target==2){ return target; } return rectCover(target-1)+rectCover(target-2); } }