/in/P5.cpp: In function 'int main()':
/in/P5.cpp:16:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<str.length();i+=1)
                 ~^~~~~~~~~~~~~
/in/P5.cpp:19:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(i==str.length()-1)
            ~^~~~~~~~~~~~~~~~
/in/P5.cpp:23:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int j=0;j<s.length();j+=1)
                         ~^~~~~~~~~~~
/in/P5.cpp:30:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int j=0;j<s.length();j+=1)
                         ~^~~~~~~~~~~
/in/P5.cpp:34:17: warning: ISO C++ forbids variable length array 'newnum' [-Wvla]
     int newnum[q];
                 ^
/in/P5.cpp:46:12: warning: ISO C++ forbids variable length array 'v' [-Wvla]
     int v[q];
            ^
/in/P5.cpp:74:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<vint.size(); i++) 
                   ~^~~~~~~~~~~~