W

Wayfair

24 questions tracked20 with solutions
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Frequency scoreSorted highest β†’ lowest frequencyβœ“ Our Solution = we have a detailed walkthrough

Showing 24 of 24 questions

1
MediumMaximum Product Subarrayβœ“ Our Solution
100
ArrayDynamic Programming
2
MediumLargest Magic Squareβœ“ Our Solution
94
ArrayMatrixPrefix Sum
3
MediumMinimum Moves to Reach Target Scoreβœ“ Our Solution
94
MathGreedy
4
MediumTeam Scores in Football Tournament
94
Database
5
HardTournament Winners
92
Database
6
MediumBest Sightseeing Pairβœ“ Our Solution
92
ArrayDynamic Programming
7
MediumDesign A Leaderboard
92
Hash TableDesignSorting
8
MediumAlert Using Same Key-Card Three or More Times in a One Hour Periodβœ“ Our Solution
92
ArrayHash TableStringSorting
9
EasyMaximum Number of Balloonsβœ“ Our Solution
92
Hash TableStringCounting
10
EasyDelete Characters to Make Fancy Stringβœ“ Our Solution
92
String
11
MediumLongest Happy Stringβœ“ Our Solution
92
StringGreedyHeap (Priority Queue)
12
EasyAdd Stringsβœ“ Our Solution
90
MathStringSimulation
13
MediumNumber of Divisible Substrings
87
Hash TableStringCountingPrefix Sum
14
MediumLongest Palindromic Substringβœ“ Our Solution
76
Two PointersStringDynamic Programming
15
MediumGroup Anagramsβœ“ Our Solution
70
ArrayHash TableStringSorting
16
HardReaching Pointsβœ“ Our Solution
63
Math
17
EasyValid Palindromeβœ“ Our Solution
63
Two PointersString
18
MediumLongest Increasing Subsequenceβœ“ Our Solution
54
ArrayBinary SearchDynamic Programming
19
MediumMaximum Number of Vowels in a Substring of Given Lengthβœ“ Our Solution
54
StringSliding Window
20
MediumPalindromic Substringsβœ“ Our Solution
54
Two PointersStringDynamic Programming
21
EasyBackspace String Compareβœ“ Our Solution
54
Two PointersStringStackSimulation
22
MediumReverse Words in a Stringβœ“ Our Solution
54
Two PointersString
23
MediumLast Person to Fit in the Busβœ“ Our Solution
54
Database
24
HardSliding Window Maximumβœ“ Our Solution
54
ArrayQueueSliding WindowHeap (Priority Queue)+1