Borderou de evaluare (job #35486)

Compilare: user.c: In function ‘main’: user.c:8:15: warning: variable ‘f’ set but not used [-Wunused-but-set-variable] user.c:6:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:7:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:9:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:16:1: warning: control reaches end of non-void function [-Wreturn-type]