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Grokking the Coding Interview Patterns in Python

Solution: Diet Plan Performance

Explore how the sliding window technique helps evaluate a dieter’s performance by tracking calorie sums over sequences of days. Understand how to update and assess points dynamically, improving problem-solving efficiency in coding interviews with real-world examples.

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Statement

A dieter consumes calories[i] calories on the i-th day.

Given an integer k, the dieter reviews their calorie intake over every sequence of k consecutive days (from calories[i] to calories[i+k-1] for all 0 <= i <= n-k). For each sequence, they calculate T, the total calories consumed over those k days:

  • If T is less than lower, the dieter ...