Wrong Answer
/in/foo.cc: In function 'void count(int, std::__cxx11::string)':
/in/foo.cc:8:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<str.size();++i){
^
/in/foo.cc: In function 'void count(int, std::__cxx11::string)':
/in/foo.cc:8:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<str.size();++i){
^
