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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <limits>
  4.  
  5. int main()
  6. {
  7.     const double a = 1 ;
  8.  
  9.     constexpr int max_precision = std::numeric_limits<double>::digits10 ;
  10.     std::cout << std::fixed << std::setprecision(max_precision) ;
  11.  
  12.     std::cout << "//---------------------\n" ;
  13.     for( int b = 1 ; b < 30 ; ++b )
  14.     {
  15.         const double outcome = a / b ;
  16.         std::cout << "for b == " << std::setw(3) << b
  17.                    << " result: " << outcome << '\n' ;
  18.     }
  19. }
  20.  
Success #stdin #stdout 0s 3340KB
comments (?)
stdin 
Standard input is empty
stdout 
//---------------------
for b ==   1 result: 1.000000000000000
for b ==   2 result: 0.500000000000000
for b ==   3 result: 0.333333333333333
for b ==   4 result: 0.250000000000000
for b ==   5 result: 0.200000000000000
for b ==   6 result: 0.166666666666667
for b ==   7 result: 0.142857142857143
for b ==   8 result: 0.125000000000000
for b ==   9 result: 0.111111111111111
for b ==  10 result: 0.100000000000000
for b ==  11 result: 0.090909090909091
for b ==  12 result: 0.083333333333333
for b ==  13 result: 0.076923076923077
for b ==  14 result: 0.071428571428571
for b ==  15 result: 0.066666666666667
for b ==  16 result: 0.062500000000000
for b ==  17 result: 0.058823529411765
for b ==  18 result: 0.055555555555556
for b ==  19 result: 0.052631578947368
for b ==  20 result: 0.050000000000000
for b ==  21 result: 0.047619047619048
for b ==  22 result: 0.045454545454545
for b ==  23 result: 0.043478260869565
for b ==  24 result: 0.041666666666667
for b ==  25 result: 0.040000000000000
for b ==  26 result: 0.038461538461538
for b ==  27 result: 0.037037037037037
for b ==  28 result: 0.035714285714286
for b ==  29 result: 0.034482758620690
https://ideone.com/Mh6i96
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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