Compilare: user.cpp: In function ‘int main()’: user.cpp:65:51: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if( vf[N-sum] && ( R==-1 || R!=-1 && A+B+C<v[N-sum].a+v[N-sum].b+c ) ) ^ user.cpp:57:14: warning: variable ‘gasit’ set but not used [-Wunused-but-set-variable] bool gasit= false; ^ user.cpp:85:56: warning: ‘C’ may be used uninitialized in this function [-Wmaybe-uninitialized] out << A+B+C << ' ' << A << ' ' << B << ' ' << C << ' ' << R << '\n'; ^ user.cpp:85:44: warning: ‘B’ may be used uninitialized in this function [-Wmaybe-uninitialized] out << A+B+C << ' ' << A << ' ' << B << ' ' << C << ' ' << R << '\n'; ^ user.cpp:85:32: warning: ‘A’ may be used uninitialized in this function [-Wmaybe-uninitialized] out << A+B+C << ' ' << A << ' ' << B << ' ' << C << ' ' << R << '\n'; ^