Borderou de evaluare (job #323835)

Compilare: user.c: In function ‘main’: user.c:8:31: warning: unused variable ‘l’ [-Wunused-variable] user.c:8:25: warning: unused variable ‘k’ [-Wunused-variable] user.c:8:13: warning: variable ‘sum’ set but not used [-Wunused-but-set-variable] user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:14:13: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:22:10: warning: ‘a’ may be used uninitialized in this function [-Wuninitialized]