View Compilation Error

0_0_39159851_18012.cpp: In function 'int main()':
0_0_39159851_18012.cpp:57:30: error: 'setprecision' was not declared in this scope
   57 |                 cout<<fixed<<setprecision(2)<<calDis(l,A)/P+calRemain(l)<<endl;
      |                              ^~~~~~~~~~~~
0_0_39159851_18012.cpp:3:1: note: 'std::setprecision' is defined in header '<iomanip>'; did you forget to '#include <iomanip>'?
    2 | #include<cmath>
  +++ |+#include <iomanip>
    3 | using namespace std;
0_0_39159851_18012.cpp:57:54: error: 'l' was not declared in this scope
   57 |                 cout<<fixed<<setprecision(2)<<calDis(l,A)/P+calRemain(l)<<endl;
      |                                                      ^