Compilare: user.cpp: In function ‘void EulerCy(int)’: user.cpp:58:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (; Vidx[nod] < V[nod].size(); ) ^ user.cpp: In function ‘int main()’: user.cpp:99:34: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘std::vector<int>::size_type {aka long unsigned int}’ [-Wformat=] printf("%d\n", sol.size()); ^ user.cpp:100:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < sol.size() - 1; i += 2) ^ user.cpp: In function ‘bool brut()’: user.cpp:54:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:87:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:91:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^