Eroare de compilare: main.cpp: In static member function 'static bool Graph::eligible(std::vector<int>&)': main.cpp:221:19: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare] 221 | if (x > n - 1) { | ~~^~~~~~~ main.cpp: In member function 'void Graph::BFS(std::vector<std::vector<int> >&, int)': main.cpp:269:35: error: 'inf' was not declared in this scope; did you mean 'ynf'? 269 | vector<int> dist(m_n + 1, inf); | ^~~ | ynf main.cpp: In member function 'void Graph::optimalPaths(int, int, std::ostream&)': main.cpp:312:26: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'long unsigned int' [-Wsign-compare] 312 | if (check[i] == pathCount) { main.cpp:320:26: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'long unsigned int' [-Wsign-compare] 320 | if (check[i] == pathCount) { main.cpp: In member function 'void Graph::minimumSubtree(int, std::vector<std::pair<std::pair<int, int>, int> >&, std::ostream&)': main.cpp:395:28: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 395 | if (sol.size() == n - 1) { | ~~~~~~~~~~~^~~~~~~~ main.cpp: In member function 'void Graph::dijkstra(std::vector<std::vector<int> >&, std::ostream&)': main.cpp:419:35: error: 'inf' was not declared in this scope; did you mean 'ynf'? 419 | vector<int> dist(m_n + 1, inf); | ^~~ | ynf main.cpp:421:24: error: 'pii' was not declared in this scope 421 | priority_queue<pii, vector<pii>, greater<pii>> heap; | ^~~ main.cpp:421:39: error: template argument 2 is invalid 421 | priority_queue<pii, vector<pii>, greater<pii>> heap; | ^ main.cpp:421:53: error: template argument 1 is invalid 421 | priority_queue<pii, vector<pii>, greater<pii>> heap; | ^~ main.cpp:421:53: error: template argument 2 is invalid main.cpp:421:53: error: template argument 3 is invalid main.cpp:424:14: error: request for member 'push' in 'heap', which is of non-class type 'int' 424 | heap.push({0, 1}); | ^~~~ main.cpp:426:22: error: request for member 'empty' in 'heap', which is of non-class type 'int' 426 | while (!heap.empty()) { | ^~~~~ main.cpp:427:32: error: request for member 'top' in 'heap', which is of non-class type 'int' 427 | int current = heap.top().second; | ^~~ main.cpp:428:18: error: request for member 'pop' in 'heap', which is of non-class type 'int' 428 | heap.pop(); | ^~~ main.cpp:436:30: error: request for member 'push' in 'heap', which is of non-class type 'int' 436 | heap.push({dist[w], w}); | ^~~~ main.cpp: In member function 'void Graph::bellmanFord(std::vector<std::vector<int> >&, std::ostream&)': Non zero exit status: 1