01 Matrix

Distances to the nearest source for every cell by seeding one BFS with all sources at distance zero.

Not attemptedLeetCodeMedium, unverified labelAccess: not determined

The exercise happens on LeetCode. Canonical link: https://leetcode.com/problems/01-matrix/. Link check: not checkable automatically (5 Oct 2026). Opened from this app 0 times; opening is not counted as an attempt.

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