Compilare: main.cpp: In member function 'void Graph::print_solution(std::vector<int>, int)': main.cpp:170:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 170 | for(int i = start; i < solution.size(); i ++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::BFS(int)': main.cpp:196:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 196 | for(i = 0; i < edges[curr].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::bellman_ford()': main.cpp:228:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 228 | for(j = 0; j < weightedNeighbours[u].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::edmonds_karp()': main.cpp:273:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 273 | for(i = 0; i < edges[curr].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~