Patch 2 things : 
Points > 4499
In the win(), a1 == -1 => never execute
Break point right after loop that calculate flag
=> run and search flag in memory
ISITDTU{0bf4sc4ted_segfault}
![](https://github.com/kuqadk3/CTF-and-Learning/blob/master/ISITDTU%20Final/Game/1.JPG)