Borderou de evaluare (job #20618)

Compilare: user.c: In function 'main': user.c:7:24: warning: unused variable 't' [-Wunused-variable] user.c:8:12: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] user.c:9:12: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] user.c:10:10: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] user.c:12:14: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] user.c:24:19: warning: 'div' may be used uninitialized in this function [-Wuninitialized]