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Puzzling

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  • $\begingroup$ TOO FAST:) could use an approach you draw cubes around the origin as a visual to do the same. $\endgroup$ Commented Nov 8, 2019 at 3:06
  • $\begingroup$ Since the submarines continue "if not interrupted", and I assume that includes when they have to stop for a submarine that is blocking them, couldn't you miss a submarine if it has to stop and becomes a "different" submarine (in particular, one that you already checked for)? I agree that this is the correct and intended answer but it seems like the question isn't precise enough to exclude this. $\endgroup$ Commented Nov 8, 2019 at 3:42
  • $\begingroup$ You are "correct" that I could be more precise and allow submarines share a grid-point and if they do so, both are killed if hit. $\endgroup$ Commented Nov 8, 2019 at 4:26
  • $\begingroup$ @Deusovi Actually you did not respond fully/accurately - you should use 5 elements in your "ordering" of shots. $\endgroup$ Commented Nov 13, 2019 at 3:44
  • 1
    $\begingroup$ @Moti What do you mean by "you miss the two dimension for a direction"? There are four coordinates here: the $x,y$ of the starting position and the $u,v$ of the movement per time-step (the "direction"). These four coordinates uniquely specify the starting state of a ship. $\endgroup$ Commented Nov 13, 2019 at 5:31