View Compilation Error

0_0_38702191_14183.cpp: In function 'int main()':
0_0_38702191_14183.cpp:26:9: error: 'vector' was not declared in this scope
   26 |         vector<int>ve;
      |         ^~~~~~
0_0_38702191_14183.cpp:5:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
    4 | #include<set>
  +++ |+#include <vector>
    5 | 
0_0_38702191_14183.cpp:26:16: error: expected primary-expression before 'int'
   26 |         vector<int>ve;
      |                ^~~
0_0_38702191_14183.cpp:31:21: error: 've' was not declared in this scope; did you mean 'se'?
   31 |             if(x>=1)ve.push_back(x);
      |                     ^~
      |                     se
0_0_38702191_14183.cpp:33:32: error: 've' was not declared in this scope; did you mean 'se'?
   33 |         for(int i=1;i<(1<<(int)ve.size());i++)
      |                                ^~
      |                                se