Borderou de evaluare (job #202804)

Compilare: user.c: In function ‘main’: user.c:10:25: warning: unused variable ‘j’ [-Wunused-variable] user.c:10:16: warning: unused variable ‘k2’ [-Wunused-variable] user.c:10:13: warning: unused variable ‘k1’ [-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:11:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:13:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]