Eroare de compilare: main.cpp:13:1: error: ISO C++ forbids declaration of 'dijkstra' with no type [-fpermissive] 13 | dijkstra(int k){ | ^~~~~~~~ main.cpp: In function 'int dijkstra(int)': main.cpp:23:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | for(i=0;i<L[nod].size();i++){ | ~^~~~~~~~~~~~~~ main.cpp:35:1: warning: no return statement in function returning non-void [-Wreturn-type] 35 | } | ^ Non zero exit status: 1