How do you guys test your solution if it gets WA?

Правка en1, от Qualified, 2020-06-19 00:08:22

Many times, I get WA but don't know where to start when debugging, do you guys have a test case generator? Or something like that? Thanks!

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en1 Английский Qualified 2020-06-19 00:08:22 187 Initial revision (published)