题目描述 Every year,prince prepares a birthday gift for princess.The gift is a box,which is decorated with jewel.As princess grows older,the level of the jewelry box gradually increase from A to Y.Every level N jewelry box will be packed in level (N-1)…
<span style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">完全没状态的新生归来赛,虐的很惨</span> A Hard Game And it's now going to be a hard game. N piles of coins are put down on the ground, where each piles co…