Compilare: main.cpp: In function 'void DFS(int)': main.cpp:52:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Ad[nod].size();++i) ~^~~~~~~~~~~~~~~ main.cpp: In function 'void Dijkstra(int)': main.cpp:84:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Ad[nod].size();++i) ~^~~~~~~~~~~~~~~ main.cpp:94:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Ad[nod].size();++i) ~^~~~~~~~~~~~~~~