Eroare de compilare in evaluator: user.cpp: In function 'int main()': user.cpp:10: error: 'n' was not declared in this scope user.cpp:10: error: 'k' was not declared in this scope user.cpp:11: error: 'i' was not declared in this scope user.cpp:13: error: 'x' was not declared in this scope user.cpp:14: error: 'a' was not declared in this scope user.cpp:14: error: 'j' was not declared in this scope user.cpp:18: error: 'a' was not declared in this scope user.cpp:18: error: 'x' was not declared in this scope user.cpp:20: error: 'j' was not declared in this scope user.cpp:23: error: 'y' was not declared in this scope user.cpp:24: error: 'minv' was not declared in this scope user.cpp:28: error: 'b' was not declared in this scope user.cpp:30: error: 'b' was not declared in this scope user.cpp:37: warning: too few arguments for format user.cpp:37: error: 's' was not declared in this scope user.cpp:38: error: expected `;' before '}' token