Borderou de evaluare (job #64592)

Compilare: user.c: In function ‘main’: user.c:8:20: warning: unused variable ‘s’ [-Wunused-variable] user.c:8:18: warning: unused variable ‘k’ [-Wunused-variable] user.c:8:8: warning: unused variable ‘l’ [-Wunused-variable] user.c:12:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:14:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]