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  1. #include <iostream>
  2. #include <iomanip>
  3. using namespace std;
  4.  
  5. int main()
  6.   {
  7.    float a=3.46,b=4.72;
  8.    cout.setf(ios::fixed);
  9.    cout.precision(2);
  10.    cout<<a<<'\t'<<b<<endl;
  11.    cout.precision(1);
  12.    cout<<a<<'\t'<<b<<endl;
  13.    cout.precision(0);
  14.    cout<<a<<'\t'<<b<<endl;
  15.    return 0;
  16.   }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin 
Standard input is empty
stdout 
3.46	4.72
3.5	4.7
3	5
https://ideone.com/LK38Hj
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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