Borderou de evaluare (job #252717)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:10:9: error: ‘c’ was not declared in this scope user.cpp:16:9: error: ‘ca’ was not declared in this scope user.cpp:22:9: error: ‘ca’ was not declared in this scope user.cpp:23:9: error: ‘ola’ was not declared in this scope user.cpp:24:9: error: ‘cb’ was not declared in this scope user.cpp:30:9: error: ‘ca’ was not declared in this scope user.cpp:36:9: error: ‘cb’ was not declared in this scope