306,Additive Number,29.4%,Medium,0.02172297461494173, https://leetcode.com/problems/additive-number
54,Spiral Matrix,34.1%,Medium,0.014776167707688753, https://leetcode.com/problems/spiral-matrix
38,Count and Say,44.6%,Easy,0.007829360800435779, https://leetcode.com/problems/count-and-say
20,Valid Parentheses,39.0%,Easy,0.0023005704055949323, https://leetcode.com/problems/valid-parentheses