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Pwc

7 questions tracked7 with solutions
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Frequency scoreSorted highest β†’ lowest frequencyβœ“ Our Solution = we have a detailed walkthrough

Showing 7 of 7 questions

1
EasyLongest Common Prefixβœ“ Our Solution
100
StringTrie
2
EasyMajority Elementβœ“ Our Solution
100
ArrayHash TableDivide and ConquerSorting+1
3
EasyBest Time to Buy and Sell Stockβœ“ Our Solution
88
ArrayDynamic Programming
4
HardMedian of Two Sorted Arraysβœ“ Our Solution
88
ArrayBinary SearchDivide and Conquer
5
EasyRoman to Integerβœ“ Our Solution
88
Hash TableMathString
6
88
ArrayHash Table
7
MediumLongest Palindromic Substringβœ“ Our Solution
88
Two PointersStringDynamic Programming