So the right data structure is one 9x9 array of booleans per number. Senior engineers who use Ruby or Python, which have 3D arrays, will usearrays of arrays, for a 9x9x9 array of booleans. We will use this data structure with an algorithm to solve the Sudoku Puzzle. SEE ALSO:How t...
To solve the problem, I first read the statement. My first impression is that the statement kind of asks if you can fudge a subarray a little bit. So it's intuitive that I firstimaginesome sort of subarray (represented by a plot) in my head. I then check the conditions — I have t...
Answer: No. I have no idea where did you get it from. There is nothing resembling in the statement. Probably it's an attempt to explain some samples, but it is wrong on first sample. "are there many solutions for sample tests or it's one solution only?" byBakry,_QWOiNYUIVMPFSBKL...
0442 Find All Duplicates in an Array 67.7% Medium 0443 String Compression 41.3% Easy 0444 Sequence Reconstruction 22.2% Medium 0445 Add Two Numbers II Go 54.5% Medium 0446 Arithmetic Slices II - Subsequence 32.7% Hard 0447 Number of Boomerangs Go 51.8% Easy 0448 Find All Numbers Disa...