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Built by students, for students — practice company-specific OAs, DSA sheets, and real interview experiences to land your dream role.

Ready to crack your next OA?

Practice company-specific questions trusted by thousands of students across India.

Start Practicing Go Premium

OA Practice·DSA·Placements

Disclaimer: OAHelper is an independent educational platform. We (oahelper.in) do not own the images or questions shown. Content is uploaded by users.

Medium Trie OA Questions | OAHelper

Topic Difficulty

Medium Trie OA Questions

Practice 16+ medium Trie coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.

All Trie easy hard

Longest Common Prefix LengthvisaMedium Data CompressionjoveoMedium Longest Common Prefix of NumbersvisaMedium Spell Fragmentation DecodercoinswitchMedium Maximum Word Break Count

capital one

Medium

Sum of Lengths of Lexicographically Smallest Substringscorridor platformsMedium

Minimum Costmercer mettlMedium

1. Binary AutocompleteuberMedium

Autocomplete FeatureuberMedium

Search EnginesprinklrMedium

Longest Common Prefix Between Two Arrays of NumbersvisaMedium

Binary AutocompletezomatoMedium

Find the Town Name as the Longest Common SubstringbarclaysMedium

Product Suggestions SystemmeeshoMedium

Product Search Suggestions SystemwayfairMedium

Binary AutocompleteoracleMedium

visa OA questions joveo OA questions visa OA questions coinswitch OA questions capital one OA questions corridor platforms OA questions mercer mettl OA questions uber OA questions