Compilare: main.cpp: In constructor 'rmq::rmq(const std::vector<int>&)': main.cpp:14:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; (1 << i) < v.size(); ++i) ~~~~~~~~~^~~~~~~~~~ main.cpp: In member function 'void rmq::Update()': main.cpp:28:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v.size(); ++i) ~~^~~~~~~~~~ main.cpp:30:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; (1 << i) < v.size(); ++i) ~~~~~~~~~^~~~~~~~~~ main.cpp:31:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j + (1 << (i - 1)) < v.size(); ++j) ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp: In member function 'void rmq::SetLog()': main.cpp:38:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 2; i < v.size(); ++i) ~~^~~~~~~~~~