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0_0_39376374_16519.cpp: In function 'int main()':
0_0_39376374_16519.cpp:10:30: error: 'setprecision' was not declared in this scope
   10 |             cout << fixed << setprecision(2) << sum << endl;  }
      |                              ^~~~~~~~~~~~
0_0_39376374_16519.cpp:2:1: note: 'std::setprecision' is defined in header '<iomanip>'; did you forget to '#include <iomanip>'?
    1 | #include <iostream>#include <iomanip>
  +++ |+#include <iomanip>
    2 | using namespace std;