Compilare: user.cpp: In function ‘void term(std::__cxx11::string, short int)’: user.cpp:9:8: warning: unused variable ‘y’ [-Wunused-variable] short y,sx1,sn1,f; ^ user.cpp: In function ‘int main()’: user.cpp:49:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(short h=j+1; s[h]>s.length(); h++) s2+=s[h]; ^