Borderou de evaluare (job #30990)

Compilare: user.c:3:2: warning: return type defaults to ‘int’ [-Wreturn-type] user.c: In function ‘main’: user.c:4:8: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:5:8: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:7:6: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:8:6: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:12:6: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]