answer.code: In function ‘int main()’:
answer.code:5:11: error: expected ‘;’ before ‘vector’
    5 |     cin>>n
      |           ^
      |           ;
    6 |     vector<int> v;
      |     ~~~~~~ 
answer.code:10:9: error: ‘v’ was not declared in this scope
   10 |         v.push_back(x);
      |         ^
answer.code:12:20: error: ‘v’ was not declared in this scope
   12 |     for(int i=0;i<(v.size()-1);i++){
      |                    ^
answer.code:17:5: error: ‘v’ was not declared in this scope
   17 |     v.clear();
      |     ^