@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.
Given a matrix, swap the 2nd & 3rd columns
Is it an Armstrong number?
Area of rhombus
Matlab Basics - Logical Tests I
Calculate the average value of the elements in the array
Number Puzzle - 055
Number Puzzles - 005
Number Puzzles - 018
Number Puzzles - 013
Volume of Cylindrical Shell
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