Borderou de evaluare (job #90281)

Compilare: user.c: In function ‘main’: user.c:17:5: warning: statement with no effect [-Wunused-value] user.c:7:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:8:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:9:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:18:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:24:19: warning: ‘sp’ may be used uninitialized in this function [-Wuninitialized]