/in/P5.cpp: In function 'int main()':
/in/P5.cpp:12:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0;i<str.size();i++){
                  ~^~~~~~~~~~~
/in/P5.cpp:17:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     while (i<str.size()-1 && str[i+1]>=48 && str[i+1]<=57){
                            ~^~~~~~~~~~~~~
/in/P5.cpp:29:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<vint.size(); i++){
                   ~^~~~~~~~~~~~
/in/P5.cpp:35:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<vint.size(); i++) cout << vint[i] << " "; // vint is the vector containing the array
                   ~^~~~~~~~~~~~