Compilare: main.cpp: In function 'void bfs(int, int)': main.cpp:27:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(int i = 0; i < graf[node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void augment(int&, int, int)': main.cpp:54:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | for(int i = 0; i < muchii.size(); i++) | ~~^~~~~~~~~~~~~~~