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DifficultyTopic12 of 12
No.ProblemDifficultyFrequency
1457Pseudo-Palindromic Paths in a Binary Tree
Tree
Medium
100.0%
9Palindrome Number
StringMath
Easy
100.0%
3433Count Mentions Per UserMedium
100.0%
621Task SchedulerMedium
100.0%
125Valid Palindrome
String
Easy
100.0%
3447Assign Elements to Groups with ConstraintsMedium
100.0%
3452Sum of Good Numbers
Math
Easy
100.0%
68Text JustificationHard
87.5%
209Minimum Size Subarray Sum
Array
Medium
87.5%
185Department Top Three SalariesHard
62.5%
49Group Anagrams
String
Medium
62.5%
121Best Time to Buy and Sell StockEasy
62.5%