Borderou de evaluare (job #31066)

Compilare: user.c: In function ‘main’: user.c:6:23: warning: unused variable ‘f’ [-Wunused-variable] user.c:6:15: warning: unused variable ‘m’ [-Wunused-variable] user.c:6:13: warning: unused variable ‘j’ [-Wunused-variable] user.c:4:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:5:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:7:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:8:10: 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]