Compilare: main.cpp: In function 'int main()': main.cpp:176:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (lSir < st[j].size() - 1) ~~~~~^~~~~~~~~~~~~~~~~~ main.cpp: In instantiation of 'void Vector<T>::reserve(size_t) [with T = int; size_t = long unsigned int]': main.cpp:87:7: required from 'void Vector<T>::push_back(T) [with T = int]' main.cpp:149:22: required from here main.cpp:36:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (newCapacity <= this->m_capacity) ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~