This is my first time submitting an answer with python. I tried PyPy 3-64
but got runtime error, I thought it was my fault to submit with PyPy as the language which I don't know anything about it. Then I tried to submit again with Python 3
in no vain.
These are my submissions:
- https://mirror.codeforces.com/contest/1690/submission/160147330
- https://mirror.codeforces.com/contest/1690/submission/160147403
Can anyone help?!