Sometimes , the code you want to understand is too long / complex to run on paper. I would like to know how do you understand such a code .
Who runs code on paper? Looking at it and mentally linking the working of code is more than enough.
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Well, i agree with your opinion, but what do you do when you don’t find the code intuitive . Would you, for example, use a debugger ? I find 2-D DP problems especially hard to understand.
No. Use divide and conquer. Modularise the code, get it step by step. Usually it boils down to understanding 15-20 lines of logic and then things become clear. It comes with practice.
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Documentation, hopefully.
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Well , i understand better with examples. That is , taking small input and seeing how it works out. Am I doing this the wrong way ?
Its also another way, but usually just having a look at the code sufficies for me on how it will react to that input. Checking variables and output is done for verification rather than hypothesis-framing
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