S

Spotify

13 questions tracked8 with solutions
πŸ”
Frequency scoreSorted highest β†’ lowest frequencyβœ“ Our Solution = we have a detailed walkthrough

Showing 13 of 13 questions

1
EasyMoving Average from Data Stream
100
ArrayDesignQueueData Stream
2
HardLeetcodify Friends Recommendations
90
Database
3
HardLeetcodify Similar Friends
90
Database
4
88
ArrayHash Table
5
MediumLongest Substring Without Repeating Charactersβœ“ Our Solution
85
Hash TableStringSliding Window
6
MediumAnalyze User Website Visit Pattern
85
ArrayHash TableSorting
7
EasyValid Parenthesesβœ“ Our Solution
82
StringStack
8
MediumKth Largest Element in an Arrayβœ“ Our Solution
82
ArrayDivide and ConquerSortingHeap (Priority Queue)+1
9
EasyValid Palindromeβœ“ Our Solution
75
Two PointersString
10
HardFind Median from Data Streamβœ“ Our Solution
55
Two PointersDesignSortingHeap (Priority Queue)+1
11
EasyRansom Noteβœ“ Our Solution
55
Hash TableStringCounting
12
MediumWalls and Gates
55
ArrayBreadth-First SearchMatrix
13
EasyMaximum Depth of Binary Treeβœ“ Our Solution
55
TreeDepth-First SearchBreadth-First SearchBinary Tree