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

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OA Practice·DSA·Placements

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Easy Backtracking OA Questions

Practice 2+ easy Backtracking coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.

All Backtracking medium hard

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Easy Backtracking OA Questions | OAHelper