Update README.md (#164) #722

Annotations

7 warnings and 2 notices

inclusion of deprecated C++ header 'stdio.h'; consider using 'cstdio' instead

use a trailing return type for this function

statement should be inside braces

do not call c-style vararg functions

use default member initializer for 'useless'

use default member initializer for 'numb'

use a trailing return type for this function

File demo/demo.cpp does not conform to Custom style guidelines. (lines 3, 8, 10, 13, 18)

File demo/demo.hpp does not conform to Custom style guidelines. (lines 1, 8, 11, 12, 31, 34)