Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:26:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<List[nod].size();i++) { ^ user.cpp: In function ‘int main()’: user.cpp:37:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%lf", &n, &k, &r); ^ user.cpp:43:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%lf", &v[i]); ^