Problem 564. How to subtract?
± ± ± ± ± ± ± ± ± ± ±
- Imagine you need to subtract one number from another using MATLAB.
- You will not be using eval for this task.
- Given two ASCII strings representing two integers X and Y.
- Each of them has only 12 or less ASCII characters.
- Each of them represents signed integers, such as '+2345'
- Please output the result of (X-Y) in a similar style.
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9 Comments
how about solving this problem but not using any conversion functions like num2str , str2num , str2double ...
This problem needed much larger test cases. At least beyond intmax('uint64') range. Also negative inputs were not implemented at all.
hard
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