Borderou de evaluare (job #15298)

Compilare: user.c: In function 'main': user.c:10:46: warning: unused variable 'aux' [-Wunused-variable] user.c:10:41: warning: unused variable 'nrcf' [-Wunused-variable] user.c:10:34: warning: unused variable 'invb' [-Wunused-variable] user.c:10:27: warning: unused variable 'inva' [-Wunused-variable] user.c:10:21: warning: unused variable 'nra' [-Wunused-variable] user.c:10:15: warning: unused variable 'nrb' [-Wunused-variable] user.c:14:11: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result]