Compilare: user.cpp: In function ‘void Print(int, int)’: user.cpp:156:55: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = s[curr].size() - cost[last][curr]; k < s[curr].size(); k++) { ^ user.cpp: In function ‘void PrintAnswer()’: user.cpp:164:10: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] int x, y; ^ user.cpp:164:7: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] int x, y; ^