Borderou de evaluare (job #183743)

Compilare: user.c: In function ‘main’: user.c:10:12: warning: unused variable ‘ch’ [-Wunused-variable] user.c:9:11: warning: unused variable ‘ok’ [-Wunused-variable] user.c:9:9: warning: unused variable ‘n’ [-Wunused-variable] user.c:7:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:8:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result]