fork download
copy 
  1. #include <iostream>
  2.  
  3. #include <iomanip>
  4.  
  5. using namespace std;
  6.  
  7. int main() {
  8.  
  9.   // initialize a floating-point 
  10.  
  11.   float num = 2.71828;
  12.  
  13.   cout << "Original number is: " << num;
  14.  
  15.   cout << "\n";
  16.  
  17.   // print 2 decimal places
  18.  
  19.   cout << "The number with 2 decimal places is: ";
  20.  
  21.   cout << fixed << setprecision(2) << num;
  22.  
  23.   cout << "\n\n";
  24.  
  25.   return 0;
  26.  
  27. }
Success #stdin #stdout 0s 5276KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Original number is: 2.71828
The number with 3 decimal places is: 2.718
https://ideone.com/j2SxUZ
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!