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:124: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void Dijkstra(int, int, std::vector<Node, std::allocator<Node> >&)': user.cpp:157: warning: comparison between signed and unsigned integer expressions user.cpp:168: warning: comparison between signed and unsigned integer expressions user.cpp:200: warning: comparison between signed and unsigned integer expressions user.cpp:211: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:322: warning: comparison between signed and unsigned integer expressions user.cpp:325: warning: comparison between signed and unsigned integer expressions user.cpp:328: warning: comparison between signed and unsigned integer expressions user.cpp:355: warning: comparison between signed and unsigned integer expressions user.cpp:364: warning: comparison between signed and unsigned integer expressions user.cpp:369: warning: comparison between signed and unsigned integer expressions