Koko loves to eat bananas. There are n piles of bananas, the i th pile has piles[i] bananas. The guards have gone and will come back in h hours.. Koko can decide her bananas-per-hour eating speed of k.Each hour, she chooses some pile of bananas and eats k bananas from that pile. If the pile has less than k bananas, she eats all of them instead and will not eat any more bananas …