First rated round for me this year and this is what I got :3
UPD: Tested in Windows only, the command (-Wl,--stack,268435456) might be different for other OS
go to settings -> compiler
go to linker settings tab and add "-Wl,--stack,SIZE" in the other linker options section (i've set 256mb)
Don't know if this topic has already been discussed here or not, but this information might be helpful to many. It is possible to view solutions in GYM contests by anyone who can create a group. Just create a group if you don't have one already then add the contest to your group. Now as the manager of that contest, you can view any source code.