c语言刷leetcode——二分搜索
https://leetcode.cn/problems/path-with-minimum-effort/solutions/1345046/er-fen-by-dvuszkq61y-6vr1/
刷完了回头再看 1102和1631
https://leetcode.cn/problems/path-with-minimum-effort/solutions/1345046/er-fen-by-dvuszkq61y-6vr1/
刷完了回头再看 1102和1631