Eroare de compilare: main.cpp: In function 'int shortest_path_bfs(int, Graph*, int, int)': main.cpp:33:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 33 | for (int i = 0; i < graph[vertex].node.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:34:29: error: 'count' was not declared in this scope 34 | if (count(visited.begin(), visited.end(), graph[vertex].node[i]) == 0) { | ^~~~~ Non zero exit status: 1