Borderou de evaluare (job #576503)

Compilare: user.c: In function ‘main’: user.c:9:12: warning: unused variable ‘k’ [-Wunused-variable] user.c:10:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:11:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:12:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:13:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:16:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]