Borderou de evaluare (job #3703)

Compilare: user.c: In function ‘bt’: user.c:6:9: warning: unused variable ‘max’ [-Wunused-variable] user.c: In function ‘main’: user.c:18:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c: In function ‘bt’: user.c:8:1: warning: control reaches end of non-void function [-Wreturn-type] user.c: In function ‘main’: user.c:43:12: warning: ‘max’ is used uninitialized in this function [-Wuninitialized]