Compilare: main.cpp: In function 'void Print()': main.cpp:28:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < path.size()-1; i++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void SetToZero(int, int)': main.cpp:36:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < V[neighbour].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void Euler(int)': main.cpp:48:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < V[k].size(); i++) ~~^~~~~~~~~~~~~