Borderou de evaluare (job #147913)

Compilare: user.c: In function ‘main’: user.c:8:9: warning: unused variable ‘a’ [-Wunused-variable] user.c:11:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] 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] user.c:56:1: warning: control reaches end of non-void function [-Wreturn-type]