... (crashes¹

Crash is slang for abnormal termination of a program, usually because of trying to access invalid memory (a memory exception error). On Windows when a crash occurs a message box appears with a message such as ``The instruction at ...referenced memory at ...The memory could not be written.'' On a Unix system, the message that accompanies a crash is usually ``segmentation fault'' and is often accompanied by a core dump; i.e., the operating system writes the contents of memory to a file (named core) for use in debugging.

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... 300.²

It will print 300 if the program is compiled with VC++; different compilers will have different results depending on how they allocate memory for variables

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