1189,Maximum Number of Balloons,61.2%,Easy,0.05135701470607597, https://leetcode.com/problems/maximum-number-of-balloons 1239,Maximum Length of a Concatenated String with Unique Characters,47.8%,Medium,0.0348163973224064, https://leetcode.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters 146,LRU Cache,33.2%,Medium,0.01827577993873683, https://leetcode.com/problems/lru-cache 273,Integer to English Words,27.1%,Hard,0.012081089250339716, https://leetcode.com/problems/integer-to-english-words 41,First Missing Positive,32.0%,Hard,0.0064113058208121855, https://leetcode.com/problems/first-missing-positive 20,Valid Parentheses,39.0%,Easy,0.005168860577665306, https://leetcode.com/problems/valid-parentheses 49,Group Anagrams,56.9%,Medium,0.0038040939835560453, https://leetcode.com/problems/group-anagrams 283,Move Zeroes,57.8%,Easy,0.0028853803470673955, https://leetcode.com/problems/move-zeroes