Borderou de evaluare (job #149667)

Compilare: user.c: In function ‘main’: user.c:32:17: warning: unused variable ‘k’ [-Wunused-variable] user.c:32:15: warning: unused variable ‘j’ [-Wunused-variable] user.c:30:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:31:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:33:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:36:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]