Borderou de evaluare (job #329783)

Compilare: user.c: In function ‘check’: user.c:15:9: warning: unused variable ‘j’ [-Wunused-variable] user.c: In function ‘main’: user.c:53:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:54:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:58:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c: In function ‘read_and_solve’: user.c:32:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:35:31: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]