A Way Out

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Hwang Jun-ho is trying to escape the building. He found a secret exit. But the path in front of him is said to be filled with land mines. If you look at the path from above, it looks like a grid made up of $X$ rows and $N$ columns (i.e. $X * N$ cells). He can jump from current cell to any other cell that shares an edge. Right now he is at starting position and he can jump on any cell of $1^{st}$ c

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L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

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L5 Full solution

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solution.cppC++17

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