Compilare: user.cpp: In function ‘int computeResult(std::string&, std::string&, std::string&)’: user.cpp:49:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < stPos.size(); i++) ^ user.cpp:28:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^ user.cpp:47:10: warning: variable ‘found’ set but not used [-Wunused-but-set-variable] bool found; ^