Borderou de evaluare (job #18245)

Compilare: user.c: In function ‘main’: user.c:8:20: warning: unused variable ‘cc’ [-Wunused-variable] user.c:8:14: warning: unused variable ‘sb’ [-Wunused-variable] user.c:8:11: warning: unused variable ‘sa’ [-Wunused-variable] user.c:12:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:15:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]