2020年7月2日
[LeetCode] 441. Arranging Coins
摘要： You have n coins and you want to build a staircase with these coins. The staircase consists of k rows where the ith row has exactly i coins. The last 阅读全文
posted @ 2020-07-02 03:17 CNoodle 阅读(225) 评论(0) 推荐(0)