19 Subset.java Medium Java [Array, BFS, Backtracking, Bit Manipulation, DFS] 20 Subsets II.java Medium Java [Array, BFS, Backtracking, DFS] 21 Max Sum of Rectangle No Larger Than K.java Hard Java ...
(i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2). Find the minimum element. You may assume no duplicate exists in the array. Understand how to use binary in this ...