Twilio

13 questions tracked13 with solutions

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

Showing 13 of 13 questions

MediumMaximize Greatness of an Array✓ Our Solution

100

ArrayTwo PointersGreedySorting

EasyUnivalued Binary Tree✓ Our Solution

TreeDepth-First SearchBreadth-First SearchBinary Tree

EasyReformat Date✓ Our Solution

String

MediumLetter Combinations of a Phone Number✓ Our Solution

Hash TableStringBacktracking

MediumTop K Frequent Elements✓ Our Solution

ArrayHash TableDivide and ConquerSorting+4

HardFirst Missing Positive✓ Our Solution

ArrayHash Table

MediumMinimum Number of Swaps to Make the String Balanced✓ Our Solution

Two PointersStringStackGreedy

HardText Justification✓ Our Solution

ArrayStringSimulation

MediumMinimum Equal Sum of Two Arrays After Replacing Zeros✓ Our Solution

ArrayGreedy

MediumGroup Anagrams✓ Our Solution

ArrayHash TableStringSorting

HardReconstruct Itinerary✓ Our Solution

Depth-First SearchGraphEulerian Circuit

HardWildcard Matching✓ Our Solution

StringDynamic ProgrammingGreedyRecursion

MediumWays to Make a Fair Array✓ Our Solution

ArrayPrefix Sum