Eroare de compilare in evaluator: user.cpp: In function 'int calk_sol(long int)': user.cpp:10: error: 'sol' was not declared in this scope user.cpp:14: error: 'sol' was not declared in this scope user.cpp:22: error: 'sol' was not declared in this scope user.cpp:30: error: 'sol' was not declared in this scope user.cpp:33: error: 'sol' was not declared in this scope user.cpp:34: error: 'sol' was not declared in this scope user.cpp:38: error: 'sol' was not declared in this scope user.cpp:46: error: 'sol' was not declared in this scope user.cpp:54: error: 'sol' was not declared in this scope user.cpp:58: error: 'sol' was not declared in this scope user.cpp: In function 'int main()': user.cpp:63: error: 't' was not declared in this scope user.cpp:65: error: 'n' was not declared in this scope user.cpp:65: error: 'n' was not declared in this scope user.cpp:65: error: 'calk_col' was not declared in this scope