Owl Get a Life

Compile Error

guanine.cpp: In function ‘int main()’:
guanine.cpp:14:13: error: ‘d’ was not declared in this scope
14 | if (d == "ADD_FRONT") {
| ^
guanine.cpp:25:31: error: ‘sq’ was not declared in this scope; did you mean ‘s’?
25 | for (int i = (int)sq.size() - 1; i > y; i--) dq.pop_back();
| ^~
| s
guanine.cpp:26:20: error: ‘input’ was not declared in this scope
26 | } else if (input == "QUERY") {
| ^~~~~