PYTHON PROBLEM 267 · Company Hard

Calculate trapped rain water: Classic elevation map

Calculate total water trapped after rain across varied bars.

Move boundaries while preserving a window or two-pointer invariantLeetCode patterntwo pointershard

PROBLEM OVERVIEW

What this Python exercise asks you to practise

This scenario tests calculate trapped rain water. It belongs to the Top Company Arrays, Strings, and Sliding Windows roadmap and uses the move boundaries while preserving a window or two-pointer invariant pattern.

Company-screen array and string patterns: two pointers, matrices, prefix sums, and sliding windows.

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INTERVIEW CONTEXT

Skills and reported company tags

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