Compilare: user.cpp: In function ‘void DFS(int, int, int, int)’: user.cpp:120:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<Gprim[nod].size(); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:43:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d\n", &x, &y); ^ user.cpp: In function ‘void citire()’: user.cpp:53:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d %d %d\n", &n, &m, &k); ^ user.cpp:57:79: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d\n", &muchii[i].x, &muchii[i].y, &muchii[i].cost); ^