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Leetcode 2814. Minimum Time Takes to Reach Destination Without Drowning
Find the earliest time you can travel from start to destination on a grid/graph where water levels (or cell safety thresholds) change over time so that cells/edges become unusable if you wait too long, i.e., you must find a time-respecting path that avoids drowning. This is a time-dependent reachability/shortest-path problem — essentially decide feasibility of a path under monotone temporal constraints (commonly tackled with binary search over time plus BFS/Dijkstra or a time-aware Dijkstra).
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