Borderou de evaluare (job #294422)

Eroare de compilare: user.cpp: In function 'int main()': user.cpp:7:22: error: expected unqualified-id before 'xor' token user.cpp:12:3: error: 'mask' was not declared in this scope user.cpp:32:5: error: 'pref' was not declared in this scope user.cpp:33:5: error: expected primary-expression before 'xor' token user.cpp:33:9: error: expected primary-expression before '=' token user.cpp:34:13: error: expected primary-expression before 'xor' token user.cpp:34:17: error: expected primary-expression before ')' token user.cpp:35:7: error: expected primary-expression before 'xor' token user.cpp:35:11: error: expected primary-expression before '>>=' token user.cpp:11:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]