Compilare: user.cpp: In function ‘void cautare(int, int, int, bool&, std::vector<int>&, std::vector<int>&)’: user.cpp:45:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < A[p].size(); i++) ^ user.cpp: In function ‘void DFS(int, int, int, int, std::vector<int>&, std::vector<int>&, std::vector<int>&, std::vector<std::vector<int> >&)’: user.cpp:63:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < A[p].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:146:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < Sol_x.size(); i++) ^ user.cpp:147:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < Sol_y.size(); j++) ^ user.cpp:155:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < Sol_x.size(); i++) ^ user.cpp:156:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < Sol_z.size(); j++) ^ user.cpp:164:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < Sol_y.size(); i++) ^ user.cpp:165:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < Sol_z.size(); j++) ^