Compilare: main.cpp: In function 'void computeRMQ()': main.cpp:74:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for (int i = 1; i < euler.size(); ++i) | ~~^~~~~~~~~~~~~~ main.cpp:77:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 77 | for (int i = 2; i < euler.size(); ++i) | ~~^~~~~~~~~~~~~~ main.cpp:80:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | for (int i = 1; (1 << i) < euler.size(); ++i) | ~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:81:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for (int j = 1; j + (1 << i) - 1 < euler.size(); ++j) | ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~