Eroare de compilare: user.cpp: In function ‘void back(int, int, int)’: user.cpp:40: error: ‘max’ was not declared in this scope user.cpp:45: error: ‘n’ was not declared in this scope user.cpp:51: error: ‘d’ was not declared in this scope user.cpp:52: error: ‘ok’ was not declared in this scope user.cpp:54: error: ‘ii’ was not declared in this scope user.cpp:55: error: ‘jj’ was not declared in this scope user.cpp:56: error: ‘s’ was not declared in this scope user.cpp:65: error: ‘jj’ was not declared in this scope user.cpp:66: error: ‘s’ was not declared in this scope user.cpp:69: error: ‘n’ was not declared in this scope user.cpp:73: error: ‘jj’ was not declared in this scope user.cpp:74: error: ‘s’ was not declared in this scope user.cpp:78: error: ‘n’ was not declared in this scope user.cpp:83: error: ‘n’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:101: error: ‘n’ was not declared in this scope user.cpp:103: error: ‘i’ was not declared in this scope user.cpp:104: error: ‘j’ was not declared in this scope user.cpp:105: error: ‘s’ was not declared in this scope user.cpp:105: error: ‘fsanf’ was not declared in this scope