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Code Golf

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    \$\begingroup\$ Welcome to Programming Puzzles & Code Golf. Every challenge here needs an objective winning criterion, so its possible to determine a winner. In your case you should go with code-golf, so the solution with the fewest bytes of code wins. For future posts please check out the sandbox to get feedback first, before you post your challenge. \$\endgroup\$ Commented Mar 12, 2016 at 14:26
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    \$\begingroup\$ If you want this to be reopened, you need to improve the spec a bit as well. Firstly you should add more testcases, one is not enough. Also you shold format them in a way that makes it easy to copy-paste them (the matrix could just be a 2D array. Furthermore you need to specify the expected output more. I guess `s,e,w,n' are used to indicate north, west, ... but you need to make it clear. Also it is generally discouraged to require a specific I/O format. Just let everyone choose the most convenient input format that fits the used language best. \$\endgroup\$ Commented Mar 12, 2016 at 14:56
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    \$\begingroup\$ @xnor Really? I think limiting it to only orthogonal moves (and not allowing moves from any point to any other) should make this one a bit different? \$\endgroup\$ Commented Mar 12, 2016 at 17:01
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    \$\begingroup\$ I think this would be more interesting if output format was more flexible, for example sesenn. As it stands, a significant part of the efffort is formatting the output \$\endgroup\$ Commented Mar 13, 2016 at 16:14
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    \$\begingroup\$ If the winning criterion is running speed, you should remove the "code golf" tag. And you should define precisely how speed will be measured. For example, some answer may be the fastest for small matrices, and some other for large matrices. Which one wins then? \$\endgroup\$ Commented Mar 13, 2016 at 17:47