Problems

Each problem is a small multi-file project with seeded bugs (or a missing feature), visible tests and hidden tests. Pick one, fix it, and submit. Problems marked Sign in need a free account.

• 02

  02Last-Mile Slot Scheduler

  Delivery slot scheduler (key=value manifests)

  C++EasyBug fix60 min
• 06

  06Parcel Shipping Cost Calculator

  Parcel shipping cost calculator (rate card, volumetric weight)

  C++EasyBug fix60 min

  Sign in
• 11

  11API Gateway Rate Limiter

  API gateway rate limiter (token buckets, request log CSV)

  C++EasyBug fix60 min
• 12

  12Review Moderation Rules

  Product review moderation rules (review export, word lists, queue)

  C++EasyBug fix60 min
• 13

  13Putaway Bin Allocator

  Warehouse putaway bin allocator (best fit, zone usage)

  C++EasyBug fix60 min
• 14

  14Loyalty Points Calculator

  Loyalty points calculator (implement pointsForOrder; tiers, redemptions)

  C++EasyFeature60 min