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In java version I've not passed tests for odd numbers less than zero. For example -3 occured twice or more in arrA and arrB, but this number are not expected in final list.
I've wrote "quickfix" for filtering odd numbers less than zero and pass all test.
In reference solution I've found line like this "i % 2 == 1 : 0 (by odd or even)". But for numbers less than zero we take -1 for odd numbers hence negative numbers are filtered in reference solution.
Maybe I've not understand this task, please check my points.
Its ok now. Thanks for quick fix!
I've found next tests in random tests suite:
Incorrect answer for board:
Fourth and Fifth lines are started from 1 "106......" and "109......". Thats invalid sudoku board, because we have duplicate value (1) in first column.
Incorrect answer for board:
In first line we have duplicate value (8) (...088...)
And so on.
In Java version I've found next fixed test with unbalanced parenthesis (26 left, 27 right):
(((()()(()(()()()(()()(()()(()))))))(()))()(()()())))(note 4 closing brackets at the end).Following error message for this test is:
2*(2*(2*(1+1+2*(1+2*(1+1+1+2*(1+1+2*(1+1+2*(1))))))+2*(1))+1+2*(1+1+1))) = 790 ...(note 3 closing brackets at the end).It should be fixed.
In searchArrows method (7th line): while (j > 0 && string.charAt(j) == ...) {
Should be: while (j >= 0 && string.charAt(j) == ...) {
Mine solution pass by luck (after almost 10 attempts), but others cannot solve this kata in Java for this reason (IMO).
In any case, I appreciate your contribution for Java branch. Thanks for all your work!
When I saw low satisfaction rating and few completions for this kata I was afraid. If you in doubt will or not just jump in this kata. It is solveable, well designed and can give you good experience. Many thanks for Gigabyte series!
Maybe I'm late with help.
You are completing hand with fifth 3 in this case.
Description says: Note that there are EXACTLY 4 identical copies of each kind of tiles in a deck.
Many thanks for kingdoms episodes!
For this task your solution is good enough. I'll vote it up.
Many thanks for feedback. I'm not a programmer, and I do not pretend on Best Practice Solution for all tasks that I've solved on this webcite. In my opinion this task is not about performance. My O(n^2) solution was good for test conditions and I'm happy. I've recommend 6kyu kata Grazing Donkey by hobovsky and 6kyu kata Count a Spiral by Flurin Brühwiler. This katas is about performance. Good luck and have fun.
p/s Your solution on this kata in top 10% in my opinion and I'll vote it up.