Eroare de compilare: main.cpp: In member function 'bool Graph::BFS(int, int, std::vector<int>&)': main.cpp:30:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for (int ind = 0; ind < graph[u].size(); ind++) { | ~~~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:80:36: error: variable 'std::istringstream iss' has initializer but incomplete type 80 | std::istringstream iss(line); | ^ main.cpp:94:36: error: variable 'std::istringstream iss' has initializer but incomplete type 94 | std::istringstream iss(line); | ^ main.cpp:114:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 114 | for (int i = 0; i < sol.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:87:9: warning: unused variable 'k' [-Wunused-variable] 87 | int k = aux[1]; | ^ Non zero exit status: 1