Compilare: main.cpp: In function 'void eulerDfs(int, int)': main.cpp:13:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for (int i = 0; i < v[node].size(); ++i) { | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void calcRmq()': main.cpp:35:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for (int i = 3; i <= depth.size(); ++i) { | ~~^~~~~~~~~~~~~~~ main.cpp:38:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for (int i = 0; i < depth.size(); ++i) { | ~~^~~~~~~~~~~~~~ main.cpp:42:42: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for (int i = 0; i + (1 << p) - 1 < depth.size(); ++i) { | ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~