Compilare: main.cpp: In member function 'void Graph::DFS(int, std::vector<int>&)': main.cpp:126:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for(int i = 0; i < this->graph_adjacency_list[node].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::print_Biconnected_Components(char*)': main.cpp:143:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::unordered_set<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 143 | for(int i=0; i<biconnected_components.size(); i++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::print_Strongly_Connected_Components(char*)': main.cpp:160:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 160 | for(int i = 0; i < strongly_connected_components.size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:162:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 162 | for(int j = 0; j < strongly_connected_components[i].size(); j++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::create_Minimum_Paths(int)': main.cpp:221:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 221 | for(int i=0; i < this->graph_adjacency_list[curent].size(); i++){ | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::DFSBiconnected(int, int, int, std::vector<int>&, std::vector<int>&, std::vector<std::unordered_set<int> >&, std::stack<std::pair<int, int> >&)': main.cpp:299:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 299 | for(int i=0; i<this->graph_adjacency_list[nodCurent].size(); i++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::tarjan(int, std::stack<int>&, std::vector<int>&, std::vector<int>&, int&, std::vector<int>&, std::vector<std::vector<int> >&)': main.cpp:397:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 397 | for(int i=0; i<this->graph_adjacency_list[nod].size(); i++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:471:41: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] 471 | g.read_Oriented_Graph_Without_Costs("../ctc.in"); | ^~~~~~~~~~~ main.cpp:473:43: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] 473 | g.print_Strongly_Connected_Components("../ctc.out"); | ^~~~~~~~~~~~