Owl Get a Life

Compile Error

easyquestion.cpp:5:7: error: expected nested-name-specifier before ‘int’
5 | using int = long long;
| ^~~
easyquestion.cpp:6:7: error: ‘ll’ does not name a type
6 | const ll INFLL = (1LL << 60);
| ^~
easyquestion.cpp:149:12: error: ‘ll’ was not declared in this scope
149 | vector<ll> t;
| ^~
easyquestion.cpp:149:14: error: template argument 1 is invalid
149 | vector<ll> t;
| ^
easyquestion.cpp:149:14: error: template argument 2 is invalid
easyquestion.cpp:151:28: error: ‘ll’ was not declared in this scope
151 | void init(const vector<ll>& a) {
| ^~
easyquestion.cpp:151:30: error: template argument 1 is invalid
151 | void init(const vector<ll>& a) {
| ^
easyquestion.cpp:151:30: error: template argument 2 is invalid
easyquestion.cpp:165:24: e