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General rule-of-a-thumb is, that the snake made with '1' cannot touch to itself.

That last 1 is in contact with another part of the snake.

You said 3,1 but I think you meant 3,3 there.

Shouldn't for 6 * 6 . Solution should be the below array [ending in 3,2 , rather than ending in 3,1]. I am trying to understand why 1 is not allowed in 3,2 is it becuase the row below it (2,2) is 1 .If this is the reason then why 1 is allowed in 3,3 when row below it i.e 2,3 has a one.Please help me understand .

1 1 1 1 1 1
0 0 0 0 0 1
1 1 1 1 0 1
1 0 1 1 0 1
1 0 0 0 0 1
1 1 1 1 1 1

Yes you are right , i checked the scenarios again and solved it. Thanks

yes, it should expect false... and it does, actually. => if you get a fail in the random tests expecting something to be "true", that's not the input that is making your solution to fail.

Shouldn't this array be an invalid arrangment beacuse 2 ships edges are in contact as shown below, my solution is failing because of this scenario, please let me know if I am missing anything-

                                   {{0, 1, 1, 1, 1, 0, 0, 0, 1, 0},
                                    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
                                    {0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
                                    {0, 1, 0, 0, 0, 0, 0, 0, 0, 0},
                                    {0, 0, 1, 0, 1, 0, 0, 0, 0, 0},
                                    {0, 0, 0, 0, 1, 0, 1, 0, 0, 0},
                                    {0, 0, 1, 0, 0, 0, 0, 0, 0, 1},
                                    {0, 0, 0, 0, |1|, |1|, 0, 0, 0, 1},
                                    {0, 0, 0, 0, |1|, |1|, 0, 0, 0, 1},
                                    {0, 0, 0, 0,  0,  |1|, 0, 0, 0, 0}};

Getting similar issues...

hmm

I am sorry, I am not that fluent in JS, but using proper formatting for your code might help others to read it and give some advice.

Thanks for answer ) can you check my code ?I have no ideas for this )

Having numbers 1234567908 and 1234567980, which of these two comes next after 1234567890? Isn't it that
1234567890 < 1234567908 < 1234567980?

Not a kata issue, 738 IS the next bigger number with those digits.

387 < 738 < 783 < 837 < 873
       |           |
       |          you propose this one
      right expected value

Hello, I'm having this issue using Python :
-Testing for 387
---It should work for random inputs too: 837 should equal 738

I don't understand the result should be 837 and not 738.