Regardless of whether you are a trusted participant of the third division or not, if your rating is less than 1600 (or you are a newcomer/unrated), then the round will be rated for you.

It will be rated for you for sure

Oh,I find that my brute force can be n*n,so I'm hacked.

For problem G1,

I use a binary serch for answer and brute force judging if there is so many substrings exist.I think my solution is O(nlogn),while it was hacked and turned to be TLE

My code is here.I'm really curious about why.259250187-