LeetCode : Arranging Coins
摘要：
You have a total of n coins that you want to form in a staircase shape, where every k-th row must have exactly k coins.Given n, find the tota... 阅读全文
posted @ 2017-03-30 22:11 gechen 阅读(71) 评论(0) 推荐(0) 编辑
