Skip to main content
DifficultyTopic12 of 12
No.ProblemDifficultyFrequency
2043Simple Bank SystemMedium
100.0%
281Zigzag IteratorMedium
87.5%
588Design In-Memory File SystemHard
87.5%
2325Decode the MessageEasy
87.5%
981Time Based Key-Value StoreMedium
87.5%
528Random Pick with WeightMedium
75.0%
68Text JustificationHard
50.0%
1166Design File SystemMedium
50.0%
3043Find the Length of the Longest Common Prefix
DP
Medium
50.0%
121Best Time to Buy and Sell StockEasy
50.0%
622Design Circular Queue
Stack/Queue
Medium
50.0%
210Course Schedule IIMedium
50.0%