Borderou de evaluare (job #187576)

Compilare: user.c: In function ‘main’: user.c:10:33: warning: unused variable ‘c2’ [-Wunused-variable] user.c:10:30: warning: unused variable ‘l2’ [-Wunused-variable] user.c:10:18: warning: unused variable ‘j’ [-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:12:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:27:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]