Compilare: main.cpp: In function 'std::vector<int> dijkstra(const std::vector<std::vector<std::pair<int, int> > >&, const int&)': main.cpp:45:29: warning: loop variable '<structured bindings>' creates a copy from type 'const std::pair<int, int>' [-Wrange-loop-construct] 45 | for (const auto [v, weight] : adjList[u]) { | ^~~~~~~~~~~ main.cpp:45:29: note: use reference type to prevent copying 45 | for (const auto [v, weight] : adjList[u]) { | ^~~~~~~~~~~ | & main.cpp:56:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for (int i = 1; i <= adjList.size(); i++) { | ~~^~~~~~~~~~~~~~~~~