Compilare: main.cpp: In function 'int bfs()': main.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::unordered_map<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for (int i = 0; i < capacity.size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:106:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for (int i = 0; i < employees.size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:102:9: warning: unused variable 'maximumFlow' [-Wunused-variable] 102 | int maximumFlow = maxflow(); | ^~~~~~~~~~~