Comments
+121

Since I wrote a solution to problem H of GR11 during the testing (and I'm bringing the blog in the recent posts again), give me contribution!
+18

I'm not sure this is the reason, indeed the issue was present also yesterday as you can see in this two identical submissions:
On gen → Codeforces Round #142, 14 years ago
0

I've just submitted a solution that got TLE during the competition and it has been accepted changing only cin with scanf.