Compilare: user.cpp: In function ‘void euler(int, std::vector<int> (&)[32100], int*, std::string&, int*, int*)’: user.cpp:46:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (poz[nod] < arb[nod].size()) ^ user.cpp: In function ‘int main()’: user.cpp:104:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < sol.size(); ++i) ^ user.cpp: In function ‘void ZAlgorithm(std::string&, int*)’: user.cpp:73:29: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] int ndim = prefix[i - poz + 1]; ^