2018年12月20日
347. Top K Frequent Elements - Medium
摘要： Given a non-empty array of integers, return the k most frequent elements. Example 1: Input: nums = [1,1,1,2,2,3], k = 2 Output: [1,2] Example 2: Input 阅读全文
posted @ 2018-12-20 10:01 fatttcat 阅读(159) 评论(0) 推荐(0)
12. Integer to Roman - Medium
摘要： Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. For example, two is written as II in Roman numeral, just two one's 阅读全文
posted @ 2018-12-20 07:43 fatttcat 阅读(146) 评论(0) 推荐(0)
13. Roman to Integer - Easy
摘要： Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. For example, two is written as II in Roman numeral, just two one's 阅读全文
posted @ 2018-12-20 06:23 fatttcat 阅读(132) 评论(0) 推荐(0)