Borderou de evaluare (job #188944)

Compilare: user.c: In function ‘main’: user.c:6:15: warning: unused variable ‘k’ [-Wunused-variable] user.c:6:13: warning: unused variable ‘c’ [-Wunused-variable] user.c:6:11: warning: unused variable ‘b’ [-Wunused-variable] user.c:6:9: warning: unused variable ‘a’ [-Wunused-variable] user.c:17:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:20:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]