Fork me on GitHub
2016年11月1日
leetcode441（巧妙利用取整和解方程）
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 total number 阅读全文
posted @ 2016-11-01 22:00 LinkinStar 阅读(970) 评论(0) 推荐(0) 编辑