How about adding a test suite where some of the cell entries are 2-D?
Most of the solutions will not be affected by this update.
Test 7,10 and 11 are fake, you have to correct these problem
In Test 7 : 1->2->4->5->6->40->41->42. So a path exists to go through the structure, even if we don't have a global increase in the cell.
At the beginning this problem was just a test to practice recursive algorithms. I am fed up with always factorial and fibonacci examples. Maybe some others problems will follow.
Remove the two elements next to NaN value
Generalised Hamming Number
Numbers spiral diagonals (Part 1)
Recycled Numbers (CodeJam Qualification Round 2012)
Numbers spiral diagonals (Part 2)
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