Compilare: main.cpp: In instantiation of 'void FenwickTree<Type>::add(int, Type) [with Type = int]': main.cpp:80:12: required from here main.cpp:32:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | while (poz<bit.size()) { | ~~~^~~~~~~~~~~ main.cpp: In instantiation of 'int FenwickTree<Type>::binary_lifting(Type) [with Type = int]': main.cpp:96:47: required from here main.cpp:54:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | if (ret+step<bit.size()&&val-bit[ret+step]>0) { | ~~~~~~~~^~~~~~~~~~~ main.cpp: In instantiation of 'void FenwickTree<Type>::assign(int, Type) [with Type = int]': main.cpp:17:3: required from 'FenwickTree<Type>::FenwickTree(int, Type) [with Type = int]' main.cpp:77:32: required from here main.cpp:24:45: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | if (i+(i&-i)<bit.size()) { | ~~~~~~~~^~~~~~~~~~~