56,Merge Intervals,39.3%,Medium,0.10703248793941993, https://leetcode.com/problems/merge-intervals 1138,Alphabet Board Path,48.4%,Medium,0.06635853611859671, https://leetcode.com/problems/alphabet-board-path 242,Valid Anagram,56.9%,Easy,0.025684584297773504, https://leetcode.com/problems/valid-anagram 10,Regular Expression Matching,26.8%,Hard,0.01609764684284749, https://leetcode.com/problems/regular-expression-matching 200,Number of Islands,46.8%,Medium,0.011509262420590827, https://leetcode.com/problems/number-of-islands 387,First Unique Character in a String,53.4%,Easy,0.009392680199054166, https://leetcode.com/problems/first-unique-character-in-a-string 4,Median of Two Sorted Arrays,29.6%,Hard,0.008754068159914991, https://leetcode.com/problems/median-of-two-sorted-arrays 49,Group Anagrams,56.9%,Medium,0.008538951314232168, https://leetcode.com/problems/group-anagrams 33,Search in Rotated Sorted Array,34.5%,Medium,0.007252832180390353, https://leetcode.com/problems/search-in-rotated-sorted-array 70,Climbing Stairs,47.8%,Easy,0.006020261250215664, https://leetcode.com/problems/climbing-stairs