It has been announced that an error was discovered in MAGICHF2 testdata, it has been fixed now. Before that, my solution had an AC, but now I get a WA and can’t figure out how to fix that. Does anyone know what kind of error the ancient testdata has ? I can’t figure out if my idea is totally wrong or I just need to find a way to fix it.
I am feeling there is still some error in the test cases. There are many people(including me) who AC’ed 2nd subtask but not the 1st one. Given that the 1st is subset of 2nd, how is it possible? @admin.
This is codechef, @jastiger, I remember it happened earlier too in problem K-Compression, where wrong solutions (even for small test cases) passed first subtask but not second, while ideally they shouldn’t pass any,