Compilare: main.cpp: In function 'int dijsktra(std::vector<std::vector<std::pair<int, int> > >, std::vector<int>)': main.cpp:21:17: 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] 21 | if(node == G.size() - 1){ | ~~~~~^~~~~~~~~~~~~~~ main.cpp:30:1: warning: control reaches end of non-void function [-Wreturn-type] 30 | } | ^