Compilare: main.cpp: In member function 'void RMQ::init(std::vector<int>)': main.cpp:14:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for ( i = 0; i < v.size(); i++ ) | ~~^~~~~~~~~~ main.cpp:17:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for ( j = 1; (1 << j) <= v.size(); j++ ) { | ~~~~~~~~~^~~~~~~~~~~ main.cpp:18:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 18 | for ( i = 0; i <= v.size() - (1 << j); i++ ) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:23:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for ( i = 2; i <= v.size(); i++ ) | ~~^~~~~~~~~~~