Compilare: main.cpp: In function 'void bfs(int)': main.cpp:29:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<v[nod].size();i++){ ~^~~~~~~~~~~~~~ main.cpp: In function 'int bellmanFord()': main.cpp:53:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<L[nod].size();i++){ ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:76:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[dest].size();i++){ ~^~~~~~~~~~~~~~~ main.cpp:86:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<dist.size();j++){ ~^~~~~~~~~~~~