For the last half a week or so, regardless the solution I create (in Java), they all return as having beaten ~28% of java submissions. Even when the solutions are significantly different (O(N) versus N(log(N)))
For the first few days I was willing to write this off as my programming skills, but I'm starting to suspect there's something going on on the backend.
In general I run my code at 6-10 BST.