Compilare: user.cpp: In function 'void dfsCV(int)': user.cpp:67: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void dijkstraPaths(int, int, std::vector<int, std::allocator<int> >, std::vector<Node, std::allocator<Node> >)': user.cpp:123: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void Dijkstra(int, int, std::vector<Node, std::allocator<Node> >&)': user.cpp:156: warning: comparison between signed and unsigned integer expressions user.cpp:165: warning: comparison between signed and unsigned integer expressions user.cpp:194: warning: comparison between signed and unsigned integer expressions user.cpp:202: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:343: warning: comparison between signed and unsigned integer expressions user.cpp:346: warning: comparison between signed and unsigned integer expressions user.cpp:349: warning: comparison between signed and unsigned integer expressions user.cpp:380: warning: comparison between signed and unsigned integer expressions user.cpp:387: warning: comparison between signed and unsigned integer expressions user.cpp:392: warning: comparison between signed and unsigned integer expressions