Leetcode 1893. Check if All the Integers in a Range Are Covered

Given a list of inclusive integer intervals, determine whether the union of those intervals covers every integer in the target range [left, right]. Due to the small bounded domain (values ≤ 50), common approaches use interval merging or a boolean mark array to verify coverage.

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Leetcode 1893. Check if All the Integers in a Range Are Covered

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