In Codeforces Round 1028 (Div. 1), I passed problem B's pretest in the contest. And I'm confused about the status now: FST.

But after I rejudged the same code after the contest, I got Accepted. Here's the submissions:

In the contest

After the contest

Exactly the same code! and it shows that my code has normally printed the answer, but "Checker comment Exit code is -1073741819."

What should I do?