Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:12: error: ‘a’ was not declared in this scope user.cpp:12: error: ‘b’ was not declared in this scope user.cpp:13: error: ‘ciur’ was not declared in this scope user.cpp:17: error: ‘j’ was not declared in this scope user.cpp:20: error: ‘max’ was not declared in this scope user.cpp:24: error: expected primary-expression before ‘<=’ token user.cpp:10: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:11: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result