ID,Title,Acceptance,Difficulty,Frequency,Leetcode Question Link 828,Count Unique Characters of All Substrings of a Given String,45.2%,Hard,0.30347295015810594, https://leetcode.com/problems/count-unique-characters-of-all-substrings-of-a-given-string 695,Max Area of Island,62.7%,Medium,0.18587942901211874, https://leetcode.com/problems/max-area-of-island 723,Candy Crush,69.2%,Medium,0.06828590786613152, https://leetcode.com/problems/candy-crush 200,Number of Islands,46.8%,Medium,0.025712029212602353, https://leetcode.com/problems/number-of-islands 977,Squares of a Sorted Array,72.1%,Easy,0.015474196582597383, https://leetcode.com/problems/squares-of-a-sorted-array 56,Merge Intervals,39.3%,Medium,0.013819532422258866, https://leetcode.com/problems/merge-intervals 767,Reorganize String,48.7%,Medium,0.01329806830463147, https://leetcode.com/problems/reorganize-string 41,First Missing Positive,32.0%,Hard,0.0064113058208121855, https://leetcode.com/problems/first-missing-positive 146,LRU Cache,33.2%,Medium,0.004600353139061353, https://leetcode.com/problems/lru-cache 33,Search in Rotated Sorted Array,34.5%,Medium,0.003229976968332634, https://leetcode.com/problems/search-in-rotated-sorted-array 3,Longest Substring Without Repeating Characters,30.4%,Medium,0.0015556336509412823, https://leetcode.com/problems/longest-substring-without-repeating-characters