Borderou de evaluare (job #4727)

Eroare de compilare: user.c: In function ‘main’: user.c:9:28: error: expected ‘)’ before ‘;’ token user.c:33:1: error: expected declaration or statement at end of input user.c:6:13: warning: unused variable ‘mask’ [-Wunused-variable] user.c:6:11: warning: unused variable ‘i’ [-Wunused-variable] user.c:6:9: warning: unused variable ‘b’ [-Wunused-variable] user.c:6:7: warning: unused variable ‘a’ [-Wunused-variable] user.c:6:5: warning: unused variable ‘k’ [-Wunused-variable] user.c:4:13: warning: variable ‘fout’ set but not used [-Wunused-but-set-variable] user.c:4:7: warning: variable ‘fin’ set but not used [-Wunused-but-set-variable] user.c:33:1: warning: control reaches end of non-void function [-Wreturn-type]