Error(s):

source_file.cpp(7): error C2144: syntax error: 'int' should be preceded by ';'
source_file.cpp(11): error C2131: expression did not evaluate to a constant
source_file.cpp(11): note: failure was caused by non-constant arguments or reference to a non-constant symbol
source_file.cpp(11): note: see usage of 'n'
source_file.cpp(14): warning C4552: '>>': operator has no effect; expected operator with side-effect
source_file.cpp(18): warning C4552: '<<': operator has no effect; expected operator with side-effect
Microsoft (R) C/C++ Optimizing Compiler Version 19.00.23506 for x64