PearlCoastal#Leetcode_Solutions_python3#Day34_778.水位上升的泳池中游泳1

**思路：** - 能力检测二分 - DFS： 查找流通区域 - 最左二分模版 ```python # @lc code=start class Solution: def swimInWater(self, grid: [[int]]) -> int: left, right = 0, max([max(vec) for vec in grid]) seen = set() def test(mid, x, y): if x > len(grid) - 1 or x < 0 or y > len(grid[0]) - 1 or y < 0: return F