1190,Reverse Substrings Between Each Pair of Parentheses,61.5%,Medium,0.12571406915674363, https://leetcode.com/problems/reverse-substrings-between-each-pair-of-parentheses 301,Remove Invalid Parentheses,43.3%,Hard,0.08716315660591871, https://leetcode.com/problems/remove-invalid-parentheses 759,Employee Free Time,66.3%,Hard,0.04861224405509378, https://leetcode.com/problems/employee-free-time 56,Merge Intervals,39.3%,Medium,0.02150990613527447, https://leetcode.com/problems/merge-intervals 253,Meeting Rooms II,45.7%,Medium,0.018087309810579388, https://leetcode.com/problems/meeting-rooms-ii 227,Basic Calculator II,36.9%,Medium,0.01239941490503826, https://leetcode.com/problems/basic-calculator-ii 55,Jump Game,34.6%,Medium,0.011265609194218986, https://leetcode.com/problems/jump-game 20,Valid Parentheses,39.0%,Easy,0.0023005704055949323, https://leetcode.com/problems/valid-parentheses 15,3Sum,26.8%,Medium,0.0021990113314367685, https://leetcode.com/problems/3sum