Borderou de evaluare (job #301947)

Compilare: user.c: In function ‘main’: user.c:8:10: warning: unused variable ‘ch’ [-Wunused-variable] user.c:7:19: warning: unused variable ‘c’ [-Wunused-variable] user.c:7:17: warning: unused variable ‘l’ [-Wunused-variable] user.c:7:15: warning: unused variable ‘i’ [-Wunused-variable] user.c:7:13: warning: unused variable ‘r’ [-Wunused-variable] user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]