Compilare: main.cpp: In instantiation of 'void FenwickTree<Type>::add(int, Type) [with Type = int]': main.cpp:75:11: required from here main.cpp:32:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int, std::allocator<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | while (poz<bit.size()) { | ~~~^~~~~~~~~~~ main.cpp: In instantiation of 'void FenwickTree<Type>::assign(int, Type) [with Type = int]': main.cpp:103:13: required from here main.cpp:24:45: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int, std::allocator<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | if (i+(i&-i)<bit.size()) { | ~~~~~~~~^~~~~~~~~~~