Why are the methods Vector.empty() and Vector.size() == 0 not working. I get the following error- Probably, the solution is executed with error 'not valid value for bool' on the line 34. Here are the submission links - 1. https://codeforces.net/contest/744/submission/90258791 2. https://codeforces.net/contest/744/submission/90257488 Please help!
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