Can anyone help me with this?
I've tried clearing Java cache and clearing problems in practice section and writing submission again.
I'm using Arena Applet version 7.1.3, KawigiEdit 2.1, Java(TM) Web Start 11.121.2.13-fcs with Java 1.8.0 on Ubuntu 16.04, 64-bit trying to submit SRM 506 Div 1 Easy.
Yes we know this issue and we are looking into it.