Compilare: main.cpp: In function 'int main()': main.cpp:48:22: warning: comparison of integer expressions of different signedness: 'std::vector<Vector<double> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 48 | while(gauss.size() < m) { | ~~~~~~~~~~~~~^~~ main.cpp: In instantiation of 'Vector<T> Vector<T>::operator*(const T&) const [with T = double]': main.cpp:70:47: required from here main.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int i = 0; i < v.size(); i++) | ~~^~~~~~~~~~ main.cpp: In instantiation of 'void Vector<T>::operator+=(const Vector<T>&) [with T = double]': main.cpp:70:47: required from here main.cpp:30:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<double>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int i = 0; i < v.size(); i++) | ~~^~~~~~~~~~