Compilare: main.cpp: In function 'std::vector<long long int> dijkstra(int, std::vector<int>&)': main.cpp:45:46: warning: narrowing conversion of '(d.std::vector<long long int>::operator[](((std::vector<long long int>::size_type)current_node)) + ((__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type)x.std::pair<int, int>::first))' from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' [-Wnarrowing] 45 | pq.push({d[current_node] + x.first, x.second}); main.cpp:45:46: warning: narrowing conversion of '(d.std::vector<long long int>::operator[](((std::vector<long long int>::size_type)current_node)) + ((__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type)x.std::pair<int, int>::first))' from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' [-Wnarrowing] main.cpp: In function 'int main()': main.cpp:105:18: warning: 'k' may be used uninitialized [-Wmaybe-uninitialized] 105 | tc = getChain(tc, k); | ~~~~~~~~^~~~~~~ main.cpp:83:12: note: 'k' was declared here 83 | int s, k; | ^