Borderou de evaluare (job #305246)

Compilare: user.c: In function ‘main’: user.c:10:6: warning: value computed is not used [-Wunused-value] 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] user.c:9:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:10:6: warning: ‘c’ is used uninitialized in this function [-Wuninitialized]