/in/foo.cc: In function 'bool isnumber(std::__cxx11::string)':
/in/foo.cc:6:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<k.size();i++)
~^~~~~~~~~
/in/foo.cc: In function 'long long int changeStringIntoNumber(std::__cxx11::string)':
/in/foo.cc:14:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<k.size();i++)
~^~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:67:57: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
else if((a.size()==1 && !isdigit(a[0])) || b.size()==1 && !isdigit(b[0]))
~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
/in/foo.cc:79:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=aa;i<b.size();i++)
~^~~~~~~~~
/in/foo.cc:86:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=bb;i<a.size();i++)
~^~~~~~~~~
