View Compilation Error

0_0_39537669_24779.cpp:9:1: error: 'vector' does not name a type
    9 | vector<ll> prime;
      | ^~~~~~
0_0_39537669_24779.cpp: In function 'void primeshell()':
0_0_39537669_24779.cpp:11:28: error: expected '}' at end of input
   11 |         isnotprime[1]=true;
      |                            ^
0_0_39537669_24779.cpp:10:18: note: to match this '{'
   10 | void primeshell(){
      |                  ^