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:127: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void Dijkstra(int, int, std::vector<Node, std::allocator<Node> >&)': user.cpp:160: warning: comparison between signed and unsigned integer expressions user.cpp:169: warning: comparison between signed and unsigned integer expressions user.cpp:198: warning: comparison between signed and unsigned integer expressions user.cpp:206: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:347: warning: comparison between signed and unsigned integer expressions user.cpp:350: warning: comparison between signed and unsigned integer expressions user.cpp:353: warning: comparison between signed and unsigned integer expressions user.cpp:377: warning: comparison between signed and unsigned integer expressions user.cpp:384: warning: comparison between signed and unsigned integer expressions user.cpp:391: warning: comparison between signed and unsigned integer expressions user.cpp:396: warning: comparison between signed and unsigned integer expressions