I reset my phone accidentally. I was not backing up my data, but my photos were being auto-saved in albums on iCloud. Can i get my photos back?

Sure, you can extract the iCloud backup to recover your iphone data easily.

1.Restore your iPhone from iCloud(You should log in with your Apple ID).
2.Extract your iCloud backup with an easy iphone recovery utility.

Good luck.

If you were using iCloud Photo Library (which it sounds like you were) all you need to do is use the Settings app on the phone to go to Settings > iCloud > Photos and turn iCloud Photo Library back to on.