Solution: Island Perimeter
Explore how to determine the perimeter of a single island within a grid by iterating through cells, checking adjacent land connections, and adjusting perimeter counts. Understand the step-by-step approach to solve this matrix problem efficiently with O(row x col) time complexity and constant space usage.
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Statement
You are given a grid with dimensions row x col, where each cell represents either land (grid[i][j] = 1) or water (grid[i][j] = 0). The grid satisfies the following conditions:
Cells are connected only horizontally or vertically (not diagonally).
The grid is surrounded by water and contains exactly one island, consisting of one or more connected land cells.
The island has no lakes, meaning no water is enclosed within the island that connects to the surrounding water. ...