Compilare: main.cpp: In function 'void DF(int)': main.cpp:35:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for (i=0; i<L[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp: In function 'void dijkstra(int)': main.cpp:60:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(i=0;i<L[poz].size();i++) | ~^~~~~~~~~~~~~~