Minimum Cost to Make at Least One Valid Path in a Grid

grid=[[1,1,1,1],[2,2,2,2],[1,1,1,1],[2,2,2,2]]

algomaster.io

Step:A 4x4 grid of arrows. Following an arrow is free, turning costs 1.

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grid=[[1,1,1,1],[2,2,2,2],[1,1,1,1],[2,2,2,2]]

0 / 186

algomaster.io

Step:A 4x4 grid of arrows. Following an arrow is free, turning costs 1.