Compilare: user.c: In function ‘perm’: user.c:29:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] next[x]=next[next[x]];//scoatem elementul din lista ^ user.c: In function ‘main’: user.c:48:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^