Eroare de compilare in evaluator: user.cpp:7: error: expected initializer before 'std' user.cpp: In function 'int bf()': user.cpp:17: error: 'a' was not declared in this scope user.cpp:18: error: 'c' was not declared in this scope user.cpp: In function 'void flux()': user.cpp:33: error: 'c' was not declared in this scope user.cpp: In function 'void bf2(int, int)': user.cpp:56: error: 'a' was not declared in this scope user.cpp:57: error: 'c' was not declared in this scope user.cpp: In function 'void solve()': user.cpp:79: error: 'c' was not declared in this scope user.cpp: In function 'int main()': user.cpp:93: error: 'a' was not declared in this scope user.cpp:95: error: 'c' was not declared in this scope