Compilare: main.cpp: In function 'void buildRMQ()': main.cpp:21:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<elem>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for (int i = 0; i < euler.size(); i++) | ~~^~~~~~~~~~~~~~ main.cpp:27:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<elem>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for (int j = 0; j + put - 1 < euler.size(); j++) | ~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'void DFS(int, int)': main.cpp:58:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for (int i = 0; i < G[nod].size(); i++) | ~~^~~~~~~~~~~~~~~