Compilare: main.cpp: In function 'bool Bellman(int)': main.cpp:23:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < adj[i].size(); j++) ~~^~~~~~~~~~~~~~~ main.cpp:45:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[Nod].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:95:24: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << double(sol - 1) / 100 << '\n'; ~~~~^~~