Borderou de evaluare (job #248097)

Compilare: user.c: In function ‘main’: user.c:7:13: warning: variable ‘k’ set but not used [-Wunused-but-set-variable] user.c:6:9: warning: unused variable ‘a’ [-Wunused-variable] user.c:10:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:15:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]