Borderou de evaluare (job #9514)

Compilare: user.c: In function ‘main’: user.c:8:13: warning: variable ‘i’ set but not used [-Wunused-but-set-variable] user.c:8:11: warning: unused variable ‘n’ [-Wunused-variable] user.c:12:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:28:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:14:10: warning: ‘c’ is used uninitialized in this function [-Wuninitialized]