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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.

Topic Difficulty

Hard Backtracking OA Questions

Practice 35+ hard Backtracking coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.

All Backtracking easy medium

Maximum Beauty Sightseeing PathripplingHard Hamilton pathhummingbirdHard Word Search in a GridciscoHard Minimum Transactions to Settle DebtsaristaHard Budget planning

godrej

Hard

Asgard Flag ColoringflipkartHard

Tech Club Committee FormationmyntraHard

Dora's Preferred Routegoldman sachsHard

Longest Necklace ArrangementflipkartHard

CodewritingdevrevHard

DSA Problem Statement 1meeshoHard

Minimize Fisherman MovementsamsungHard

The Castle CourtyardnxtwaveHard

Minimize Maximum Distance to HububerHard

Word Search in a 2D GridciscoHard

RoboMax Pathgoldman sachs 19augHard

RoboMax Patrol Robotgoldman sachsHard

Cryptarithmetic PuzzletrilogyHard

Minimum and Maximum Moves to Fill First ColumntrilogyHard

CryptarithmtrilogyHard

Fill First ColumntrilogyHard

CryptarithmtrilogyHard

Parking Grid CoverageadobeHard

Minimum Sum of Visible CellsflipkartHard

Palindrom specialgoogleHard

Special NumbergoogleHard

Max Different Roadsgoldman sachsHard

Transaction Simplificationgoldman sachsHard

Palindrome specialgoogleHard

CryptarithmcodenationHard

Binary String ConversionbarclaysHard

CodewritingtrilogyHard

City AttractionsagodaHard

Maze Escape with limited resources walmartHard

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Hard Backtracking OA Questions | OAHelper