Run id: 3634

Main.cc: In function 'std::string a(std::string)':
Main.cc:7:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<s.size();i++){
                          ^
Main.cc: In function 'int main()':
Main.cc:32:26: error: 'pos' was not declared in this scope
     else cout<<cnt<<" "<<pos<<endl;
                          ^