/in/p1.cpp: In function 'int main()':
/in/p1.cpp:19:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0;i<answer.length();i++)
                  ~^~~~~~~~~~~~~~~~
/in/p1.cpp: In function 'int displayscreen(int, std::__cxx11::string, std::__cxx11::string, int, int*, int*)':
/in/p1.cpp:33:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (wincnt==answer.length())
         ~~~~~~^~~~~~~~~~~~~~~~~
/in/p1.cpp:50:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0;i<answer.length();i++)
                  ~^~~~~~~~~~~~~~~~
/in/p1.cpp:82:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     for (int j=0;j<answer.length();j++)
                                  ~^~~~~~~~~~~~~~~~
/in/p1.cpp:94:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     if (wrongcnt==answer.length())//if the letter is not right in all the positions, then score=score+1, and the letter become one of the wrongproposed
                         ~~~~~~~~^~~~~~~~~~~~~~~~~
/in/p1.cpp:121:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^