Compilare: user.cpp: In function 'void dfsCV(int)': user.cpp:56: 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:111: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void Dijkstra(int, int, std::vector<Node, std::allocator<Node> >&)': user.cpp:144: warning: comparison between signed and unsigned integer expressions user.cpp:151: warning: comparison between signed and unsigned integer expressions user.cpp:182: warning: comparison between signed and unsigned integer expressions user.cpp:187: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:313: warning: comparison between signed and unsigned integer expressions user.cpp:314: warning: comparison between signed and unsigned integer expressions user.cpp:315: warning: comparison between signed and unsigned integer expressions user.cpp:331: warning: comparison between signed and unsigned integer expressions user.cpp:339: warning: comparison between signed and unsigned integer expressions