Compilare: user.cpp: In function ‘int computeResult(std::string&, std::string&, std::string&)’: user.cpp:100:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < stPos.size(); i++) ^ user.cpp:92:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^ user.cpp:93:9: warning: unused variable ‘indexSt’ [-Wunused-variable] int indexSt, indexDr; ^ user.cpp:93:18: warning: unused variable ‘indexDr’ [-Wunused-variable] int indexSt, indexDr; ^ user.cpp:98:10: warning: variable ‘found’ set but not used [-Wunused-but-set-variable] bool found; ^