CMART OA Questions 2026 — Online Assessment & Interview Practice

12 real CMART online assessment questions from recent interviews. Includes coding rounds, MCQs, and CMART interview preparation tips for SDE Intern, New Grad, and full-time roles.

• Grid Infection with Recovery After D Days
• Grid Infection with Immune Cells
• Days Until an Eight-Direction Infection Grid Stops Spreading
• Largest Square Side Length Whose Every Subgrid Stays Within a Cap
• Infer the Concrete Return Type of a Generic Function Signature
• Cover An Address Range With The Fewest CIDR Blocks
• Walk IPv4 Addresses Down To The Lower Bound
• Walk IPv4 Addresses Up To The Upper Bound
• List Every Address In A CIDR Network
• Durable Store With Snapshots And Recovery
• Segmented Durable Key-Value Store
• Infection Spread With Death Countdown