Borderou de evaluare (job #176022)

Compilare: user.c: In function ‘main’: user.c:33:11: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:34:11: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:35:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c: In function ‘arondat’: user.c:27:10: warning: ‘d1’ may be used uninitialized in this function [-Wuninitialized]