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Walmart's engineering loop runs through Karat / HackerRank phone screens followed by a three-to-four round virtual or in-person onsite covering coding, system design, behavioral, and an extended Team Fit phase. Coding bars are moderate but heavily weighted toward Java / Spring Boot fluency, and the system-design slot leans toward retail and logistics prompts (membership, delivery, ticketing, sensor ingestion). The Team Fit phase that follows technical approval is unusually long and team-shopping in nature, and is responsible for a meaningful share of loop attrition.

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Plants Pesticide — Days Until Stable

Given a row of plants with pesticide amounts, each day any plant whose pesticide is strictly greater than its left neighbor dies. All dying plants are removed simultaneously. Return the number of days until no more plants die.

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