Borderou de evaluare (job #101382)

Compilare: user.c: In function ‘main’: user.c:15:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:16:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:18:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:21:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]