Practice & Prepare.One challenge at a time.

Curated problem sheets, daily challenges, structured roadmaps and interview prep in one place.

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Daily challenge · Oct 16Hard

The Startup's k Fairest Hires(Heap)

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Complete DSA Sheet

1,497 coding problems covering all 21 data structures and algorithms topics from basics to advanced.

0 of 1497 solved0%

Easy 0/410Medium 0/807Hard 0/280

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30 Days Challenge

3 problems every day to build a consistent coding routine (90 problems total).

Not started0 / 90 solved

Target: 3 questions per day

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75 Days Hard Roadmap

150 problems structured into 4 progressive phases from fundamental structures to dynamic programming.

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Phase 1

Phase 2

Phase 3

Phase 4

150 problems across 4 phases

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Company-wise questions

Problems that top tech companies often ask in technical interviews.

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Progress Coach

Find your weak topics, see why submissions fail, and revisit problems on a spaced schedule.

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Failure analysisSpaced revisionWeak topic fixes

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Badges and achievements

Earn badges as you solve problems and maintain your daily streak.

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Bronze, Silver, Gold, and Master tiers

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