Technical facts

Operating system(s) or programming environment(s)

Lubuntu 15.04 (vivid)

IDE(s):

Qt Creator 3.1.1

Project type:

Console application

C++ standard:

C++98

Compiler(s):

G++ 4.9.2

Libraries used:

STL: GNU ISO C++ Library, version 4.9.2

Qt project file: ./CppStdPartition_copyExample1/CppStdPartition_copyExample1.pro


include(../../ConsoleApplication.pri) #Or use the code below

# QT += core

# QT += gui

# CONFIG   += console

# CONFIG   -= app_bundle

# TEMPLATE = app

# CONFIG(release, debug|release) {

#   DEFINES += NDEBUG NTRACE_BILDERBIKKEL

# }

# QMAKE_CXXFLAGS += -std=c++1y -Wall -Wextra -Weffc++

# unix {

#   QMAKE_CXXFLAGS += -Werror

# }



SOURCES += main.cpp

./CppStdPartition_copyExample1/main.cpp


#include <algorithm>

#include <cassert>

#include <cmath>

#include <iostream>

#include <iterator>

#include <vector>



//From http://www.richelbilderbeek.nl/CppIsPrime.htm

bool IsPrime(const int x)

{

  const int max

  = static_cast<int>(

      std::sqrt(static_cast<double>(x))

    ) + 1;



  for (int i=2; i!=max; ++i)

  {

    if (x % i == 0) return false;

  }



  return true;

}



int main()

{

  std::vector<int> v;

  for (int i=1; i!=10; ++i) v.push_back(i);



  std::vector<int> primes;

  std::vector<int> non_primes;



  //Partition the std::vector in primes and non-primes

  std::partition_copy(

    v.begin(),

    v.end(),

    std::back_inserter(primes),

    std::back_inserter(non_primes),

    IsPrime

  );



  std::cout << "Primes: ";

  std::copy(std::begin(primes),std::end(primes),std::ostream_iterator<int>(std::cout," "));

  std::cout << "\nNon-primes: ";

  std::copy(std::begin(non_primes),std::end(non_primes),std::ostream_iterator<int>(std::cout," "));

  std::cout << "\n";

}



/* Screen output:



Primes: 1 2 3 5 7

Non-primes: 4 6 8 9

Press <RETURN> to close this window...



*/

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(C++) StdPartition_copyExample1

Technical facts

Qt project file: ./CppStdPartition_copyExample1/CppStdPartition_copyExample1.pro

./CppStdPartition_copyExample1/main.cpp