Borderou de evaluare (job #92337)

Compilare: user.c: In function ‘main’: user.c:9:21: warning: variable ‘sem’ set but not used [-Wunused-but-set-variable] user.c:10:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:11:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:47:1: warning: control reaches end of non-void function [-Wreturn-type]