#1498Medium#25 in Google's list· asked at 9 companies
Path with minimum effort
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What we know
Example 1
Input: heights = [[1,2,2],[3,8,2],[5,3,5]] Output: 2
The route 1,3,5,3,5 has maximum difference 2.
Example 2
Input: heights = [[1,2,3],[3,8,4],[5,3,5]] Output: 1
Example 3
Input: heights = [[1,2,1,1,1],[1,2,1,2,1],[1,2,1,2,1],[1,2,1,2,1],[1,1,1,2,1]] Output: 0
Constraints
- •
rows == heights.length - •
columns == heights[i].length - •
1 <= rows, columns <= 100 - •
1 <= heights[i][j] <= 10^6