Hello!

What's wrong with that code?

https://github.com/fredryco/Grafos/blob/master/Trabalhos/src/Museum.java

https://github.com/fredryco/Grafos/blob/master/Trabalhos/src/Questao4.java

I know the class name must by Main, i switch when submit this, but i got this message "Runtime error on test 1"

Someone can help me