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

Showing 8 of 8 questions

1
MediumMinimum Number of Operations to Make X and Y Equalβœ“ Our Solution
100
Dynamic ProgrammingBreadth-First SearchMemoization
2
EasyBest Time to Buy and Sell Stockβœ“ Our Solution
74
ArrayDynamic Programming
3
MediumLRU Cacheβœ“ Our Solution
65
Hash TableLinked ListDesignDoubly-Linked List
4
HardTrapping Rain Waterβœ“ Our Solution
65
ArrayTwo PointersDynamic ProgrammingStack+1
5
MediumMaximum Good Subarray Sumβœ“ Our Solution
65
ArrayHash TablePrefix Sum
6
MediumBest Time to Buy and Sell Stock IIβœ“ Our Solution
65
ArrayDynamic ProgrammingGreedy
7
HardBest Time to Buy and Sell Stock IIIβœ“ Our Solution
65
ArrayDynamic Programming
8
MediumSort Colorsβœ“ Our Solution
65
ArrayTwo PointersSorting