num.cpp:11:  Line ends in whitespace.  Consider deleting these extra spaces.  [whitespace/end_of_line] [4]
num.cpp:11:  Redundant blank line at the start of a code block should be deleted.  [whitespace/blank_line] [2]
num.cpp:11:  Redundant blank line at the end of a code block should be deleted.  [whitespace/blank_line] [3]
Done processing num.cpp
Total errors found: 3