Hi.
First of all, I'm so sorry because of this spam blog. I will delete it as soon as possible(after I get my answer).
So I tried to be the first guy who reached 365 days daily streak. (with my friend Mehdi_Farhadian)
But now it's all gone!! Our streak is completely ruined.
It's weird cus the submissions are not gone; I guess it should be the table bug or something like that.
as you can see, the table did not detect any submission by me on the 16th of march, but here is my submission :
https://codeforces.net/contest/342/submission/149779137
the same thing happened to my friend Mehdi_Farhadian.
Check your system time zone, because the way this heatmap is generated may depend on it.