playerBILLIONMONEY's blog

By playerBILLIONMONEY, history, 9 months ago, In English

I tried many times, but I still don’t understand the test case. Could someone please explain it to me? Thank you so much!

https://onlinejudge.org/external/5/532.pdf

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9 months ago, # |
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This problem is the 3D version of finding the shortest path between two cells in a 2D grid. The dungeon is given to you in layers since it is 3D.

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    9 months ago, # ^ |
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    sorry but i still can't understand, could you explaint more detail (example path way from S to E in 11 minute)

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      9 months ago, # ^ |
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      First layer:go to cell (4, 4), that takes 8 minutes then go up, that takes 1 minute, now you are on the second layer in cell (4, 4) Second layer:go right to cell (4, 5), and then up, that takes two minutes Now you are on the third layer and in the end cell Total:11 minutes