Compilare: main.cpp: In member function 'void Graf::bfs(int)': main.cpp:48:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for(int i = 0; i < vecini[coada[inc]].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs(std::vector<bool>&, int)': main.cpp:64:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int i = 0; i < vecini[start].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::dfs_topo(std::vector<bool>&, int, std::vector<int>&)': main.cpp:106:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for(i = 0; i < vecini[start].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~