Compilare: user.c: In function ‘main’: user.c:81:5: warning: passing argument 2 of ‘dfs’ from incompatible pointer type [enabled by default] dfs(i, &et, &nr); ^ user.c:7:6: note: expected ‘int *’ but argument is of type ‘long long int *’ void dfs(int x, int *et, int *nr){ ^ user.c:81:5: warning: passing argument 3 of ‘dfs’ from incompatible pointer type [enabled by default] dfs(i, &et, &nr); ^ user.c:7:6: note: expected ‘int *’ but argument is of type ‘long long int *’ void dfs(int x, int *et, int *nr){ ^ user.c:75:7: warning: variable ‘poz’ set but not used [-Wunused-but-set-variable] int poz; ^ user.c:54:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ user.c:56:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%lld", &v[i]); ^