Compilare: main.cpp: In function 'int bf()': main.cpp:23:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void dinic()': main.cpp:39:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[n].size();i++) ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:80:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp:93:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<sol.size();i++) g<<sol[i]<<'\n'; ~^~~~~~~~~~~