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Jan 21st, 2019
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  1. #include <iostream>
  2. #include <iomanip>
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7. cout << setprecision(3) << 3.14159265359 << endl;
  8. cout << setprecision(0) << 3.14159265359 << endl;
  9. return 0;
  10. }
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