#include <iostream>
#include <iomanip>


int main () {

  double n = 0.0;
  for( int i = 0; i != 10; i++ ) {
    n += 0.1;
    std::cout << std::setprecision(16) << std::fixed << n << std::endl;
  }

  if( n != 1.0 )
    std::cout << "Whoops, " << n << " isn't equal to 1.0." << std::endl;

  return 0;
}

##</code><code>##

0.1000000000000000
0.2000000000000000
0.3000000000000000
0.4000000000000000
0.5000000000000000
0.6000000000000000
0.7000000000000000
0.7999999999999999
0.8999999999999999
0.9999999999999999
Whoops, 0.9999999999999999 isn't equal to 1.0.