test case:

[ 1, 0, 0, 0, 0, 1, 1, 0, 0, 0 ],
[ 1, 0, 1, 0, 0, 0, 0, 0, 1, 0 ],
[ 1, 0, 1, 0, 1, 1, 1, 0, 1, 0 ],
[ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 ],
[ 0, 0, 0, 0, 1, 1, 1, 0, 0, 0 ],
[ 0, 0, 0, 1, 0, 0, 0, 0, 1, 0 ],
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 ],
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]

reason for fail: Must return false if ships are in contact

These two, are touching diagonally:

#                v  
[ 0, 0, 0, 0, 1, 1, 1, 0, 0, 0 ],
[ 0, 0, 0, 1, 0, 0, 0, 0, 1, 0 ],
#          ^

Please use markdown formatting next time.

I created a fork with verbose comments to explain what is going on in this solution.
I hope I got it right...

Maybe you could tell how much you understand and what makes you confused. Symbol? Syntax? Lib?
So we can explain it to you in a better way

No kidding.