Borderou de evaluare (job #569251)

Compilare: user.c: In function ‘main’: user.c:8:45: warning: unused variable ‘u’ [-Wunused-variable] user.c:8:37: warning: unused variable ‘x’ [-Wunused-variable] user.c:8:29: warning: unused variable ‘copy1’ [-Wunused-variable] user.c:8:23: warning: unused variable ‘copy0’ [-Wunused-variable] user.c:8:15: warning: unused variable ‘nr2’ [-Wunused-variable] user.c:8:11: warning: unused variable ‘nr0’ [-Wunused-variable] user.c:8:7: warning: unused variable ‘nr1’ [-Wunused-variable] user.c:10:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]