Compilare: user.cpp: In function ‘void splituire()’: user.cpp:20:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int elm=0; elm<s.size();elm++){ ^ user.cpp: In function ‘int toInt(std::string)’: user.cpp:48:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int elm=0 ; elm<s.size();elm++) ^ user.cpp: In function ‘int main()’: user.cpp:67:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int elm=0; elm<v.size();elm++){ ^ user.cpp:69:18: warning: unused variable ‘exista’ [-Wunused-variable] bool exista=false; ^