Borderou de evaluare (job #255180)

Compilare: user.c: In function ‘do_flip’: user.c:7:2: warning: statement with no effect [-Wunused-value] user.c: In function ‘main’: user.c:59:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:60:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:62:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:64:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]