Compilare: user.c: In function ‘main’: user.c:14:12: warning: operation on ‘cap’ may be undefined [-Wsequence-point] dr[++cap]=st[cap]=x; ^ user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ user.c:12:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&x); ^