/in/p1.cpp: In function 'int main()':
/in/p1.cpp:47:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < word.size(); j++)
                   ~~^~~~~~~~~~~~~
/in/p1.cpp: In function 'int maininterface(int*, std::__cxx11::string, char*, char*)':
/in/p1.cpp:65:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (word.find(letter) == -1)
       ~~~~~~~~~~~~~~~~~~^~~~~
/in/p1.cpp:103:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < word.size(); j++)
                   ~~^~~~~~~~~~~~~
/in/p1.cpp: In function 'int correctoutput(int*, char, std::__cxx11::string, char*)':
/in/p1.cpp:122:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int j = 0; j < word.size(); j++)
                  ~~^~~~~~~~~~~~~
/in/p1.cpp: In function 'int checkwin(std::__cxx11::string, char*, char)':
/in/p1.cpp:153:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int j = 0; j < word.size(); j++)
                  ~~^~~~~~~~~~~~~
/in/p1.cpp:158:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int j = 0; j < word.size(); j++)
                  ~~^~~~~~~~~~~~~