Runtime error (SIGSEGV)

[bi_ic]

What’s it? I try run my code but it shows like this.

[simes]

From the tutorial

SIGSEGV (signal 11) - the most common error for non-interpreted languages: a “segmentation fault” of the program. This may be caused e.g. by an out-of-scope array index causing a buffer overflow, an incorrectly initialized pointer, etc.