D

DRW

9 questions tracked5 with solutions
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Frequency scoreSorted highest β†’ lowest frequencyβœ“ Our Solution = we have a detailed walkthrough

Showing 9 of 9 questions

1
MediumSubsequence of Size K With the Largest Even Sum
100
ArrayGreedySorting
2
EasyCounting Elements
100
ArrayHash Table
3
MediumMaximize Score After Pair Deletions
100
ArrayGreedy
4
EasyBest Time to Buy and Sell Stockβœ“ Our Solution
80
ArrayDynamic Programming
5
MediumRemove Duplicate Lettersβœ“ Our Solution
73
StringStackGreedyMonotonic Stack
6
MediumMinimum Fuel Cost to Report to the Capitalβœ“ Our Solution
64
TreeDepth-First SearchBreadth-First SearchGraph
7
MediumReorder Routes to Make All Paths Lead to the City Zeroβœ“ Our Solution
64
Depth-First SearchBreadth-First SearchGraph
8
MediumMaximal Network Rankβœ“ Our Solution
64
Graph
9
HardRobot Room Cleaner
64
BacktrackingInteractive