Compilare: user.cpp: In member function ‘void largeInt::fixOverflow()’: user.cpp:60:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < nr.size()-1; i++) ^ user.cpp: In member function ‘void largeInt::fixUnderflow()’: user.cpp:80:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < nr.size(); i++) ^ user.cpp: In member function ‘largeInt& largeInt::operator+=(const largeInt&)’: user.cpp:96:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < rhs.nr.size(); i++) ^ user.cpp:101:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < this->nr.size(); i++) ^ user.cpp:103:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = this->nr.size(); i < rhs.nr.size(); i++) ^ user.cpp:107:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In member function ‘largeInt& largeInt::operator-=(const largeInt&)’: user.cpp:132:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < rhs.nr.size(); i++) ^ user.cpp: In member function ‘bool largeInt::operator==(const largeInt&) const’: user.cpp:143:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < rhs.nr.size(); i++) ^