Taking part to Google HashCode , it's important for my career. Any hints ?

Question

Formed a group and attending the HashCode in a hub. is there anyone who can share his experience about the HashCode ? thanks

Answer 1

have a look in this two codes:

https://code.sololearn.com/WcplRQ5Vli0a/?ref=app

https://code.sololearn.com/Wf4qVq5lj7V7/?ref=app

Answer 2

what's hashcode??