Borderou de evaluare (job #181532)

Compilare: user.c: In function ‘main’: user.c:6:42: warning: unused variable ‘p’ [-Wunused-variable] user.c:6:34: warning: variable ‘z’ set but not used [-Wunused-but-set-variable] user.c:8:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:9:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:10:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:12:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]