Available question text
Given birth-death intervals where a person is alive in years [birth, death-1], find the year with the maximum number of overlapping intervals (people alive) and return the earliest such year — a classic sweep-line / prefix-sum over the small 1950–2050 range.
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Leetcode 1854. Maximum Population Year
Reported Aug 6, 2026 · 2 source reports
MID_LEVEL, SENIOR
Source snapshot: Nov 12, 2026
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