Ubermidfev. de 2026
Leetcode 827 but instead of changing only 1 bit you can change one entire row or column
Given an n×n binary grid where you can flip at most one 0 to 1, compute the largest possible 4-directional island size after the flip. Key idea: label connected components and their sizes, then for each 0 consider merging distinct neighboring islands (sum their sizes +1), with the all-ones grid as an edge case.
Use esses exemplos para entender em que contexto ela costuma cair e adaptar sua prática.
Leetcode 827 but instead of changing only 1 bit you can change one entire row or column
Not exactly the same. Given a matrix of land and water, return the length of the larger island that can be added
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