955C - Грустные степени in this problem a very strange behavior of compiler had happened and i didn't understand why ?? :|
In the above submission links you can see that first one is submitted in GNU C++14 and second one is submitted in GNU C++17 and third one submitted in GNU C++11. But unfortunately first one got WA and second one got AC. 3rd submission also got WA but same code. can anyone tell me why this happened ?