num.cpp:6:  Weird number of spaces at line-start.  Are you using a 2-space indent?  [whitespace/indent] [3]
num.cpp:6:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
num.cpp:55:  Use int16/int64/etc, rather than the C type long  [runtime/int] [4]
num.cpp:67:  Using deprecated casting style.  Use static_cast<int>(...) instead  [readability/casting] [4]
num.cpp:67:  Use int16/int64/etc, rather than the C type long  [runtime/int] [4]
Done processing num.cpp
Total errors found: 5