1LRU CacheMediumHash TableLinked ListDesign
Solve → 2Roman to IntegerEasyHash TableMathString
Solve → 3Linked List CycleEasyHash TableLinked ListTwo Pointers
Solve → 4Longest Repeating Character ReplacementMediumHash TableStringSliding Window
Solve → 5LRU CacheMediumHash TableLinked ListDesign
Solve → 6Roman to IntegerEasyHash TableMathString
Solve → 7Linked List CycleEasyHash TableLinked ListTwo Pointers
Solve → 8Longest Repeating Character ReplacementMediumHash TableStringSliding Window
Solve →