(C++) StdPartition_copyExample1

 

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

 

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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

 

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#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... */