Compilare: main.cpp: In instantiation of 'rmq<T>::rmq(const std::vector<T>&) [with T = int]': main.cpp:61:17: required from here main.cpp:16:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; (1 << i) < v.size(); ++i) main.cpp: In instantiation of 'void rmq<T>::SetLog() [with T = int]': main.cpp:19:19: required from 'rmq<T>::rmq(const std::vector<T>&) [with T = int]' main.cpp:61:17: required from here main.cpp:45:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 2; i < v.size(); ++i) main.cpp: In instantiation of 'void rmq<T>::Update() [with T = int]': main.cpp:20:15: required from 'rmq<T>::rmq(const std::vector<T>&) [with T = int]' main.cpp:61:17: required from here main.cpp:35:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); ++i) main.cpp:37:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; (1 << i) < v.size(); ++i) main.cpp:38:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j + (1 << (i - 1)) < v.size(); ++j)