Amdocs

7 questions tracked5 with solutions

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Frequency scoreSorted highest → lowest frequency✓ Our Solution = we have a detailed walkthrough

Showing 7 of 7 questions

MediumNumber of Divisible Substrings

100

Hash TableStringCountingPrefix Sum

MediumDesign a 3D Binary Matrix with Efficient Layer Tracking

100

ArrayHash TableDesignHeap (Priority Queue)+2

EasyBackspace String Compare✓ Our Solution

Two PointersStringStackSimulation

MediumSecond Highest Salary✓ Our Solution

Database

HardBuild Array Where You Can Find The Maximum Exactly K Comparisons✓ Our Solution

Dynamic ProgrammingPrefix Sum

MediumGenerate Parentheses✓ Our Solution

StringDynamic ProgrammingBacktracking

EasyRotate String✓ Our Solution

StringString Matching