Borderou de evaluare (job #192740)

Compilare: user.c: In function ‘main’: user.c:9:15: warning: unused variable ‘nr’ [-Wunused-variable] user.c:8:15: warning: unused variable ‘k’ [-Wunused-variable] user.c:8:12: warning: unused variable ‘b’ [-Wunused-variable] user.c:8:9: warning: unused variable ‘a’ [-Wunused-variable] user.c:21:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:23:13: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]