@Doddy, This can be solved by a trivial solution something like -
a=0,b=0,c=1,d=1. The test suite will accept the solution, however, this is not something you want (only using non-zero integers as mentioned in the problem statement).
I have edited the test suite accordingly, and will do so wherever I face the same issue in the Number puzzle series.
Find the largest value in the 3D matrix
Return 'on' or 'off'
Maximum value in a matrix
Divisible by 5
Number Puzzle - 075
Find the Pattern 7
Number Puzzle - 115
Number Puzzle - 107
Number Puzzle - 066
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