Borderou de evaluare (job #404483)

Compilare: user.c: In function 'main': user.c:13:12: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] user.c:14:12: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] user.c:15:25: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] user.c:17:10: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result]