Compilare: main.cpp: In function 'int Bellman_Ford()': main.cpp:24:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp:34:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int Dijkstra()': main.cpp:48:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~