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DifficultyTopic9 of 9
No.ProblemDifficultyFrequency
1227Airplane Seat Assignment ProbabilityMedium
100.0%
6Zigzag ConversionMedium
87.5%
844Backspace String Compare
String
Easy
75.0%
347Top K Frequent Elements
Heap
Medium
62.5%
121Best Time to Buy and Sell StockEasy
62.5%
419Battleships in a BoardMedium
62.5%
2184Number of Ways to Build Sturdy Brick Wall
Math
Medium
62.5%
46PermutationsMedium
62.5%
1963Minimum Number of Swaps to Make the String Balanced
StringMath
Medium
62.5%