■

もう一回ワンライナー。
今回はこちらのネタをお借りしまして
http://d.hatena.ne.jp/nagoya313/20100619/1276954186

#include <fstream>
#include <string>
#include <list>
#include <boost/regex.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/make_shared.hpp>
#include <pstade/oven/stream_lines.hpp>
#include <pstade/oven/foreach.hpp>
#include <pstade/oven/copied.hpp>
#include <pstade/oven/matches.hpp>
#include <pstade/oven/reversed.hpp>
#include <pstade/oven/stream_writer.hpp>
#include <pstade/oven/algorithm.hpp>
#include <pstade/oven/any_range.hpp>

#define BOOST_LIB_NAME boost_regex
#include <boost/config/auto_link.hpp>

#define PO pstade::oven

/*
int main()
{
	if(std::ifstream fin = std::ifstream("constitute.txt")) {
		if(std::ofstream fout = std::ofstream("reverse.txt")) {
			if(boost::shared_ptr<std::list<boost::smatch>> v = boost::make_shared<std::list<boost::smatch>>()){
				PSTADE_OVEN_FOREACH(str, PO::stream_lines(fin)) {
					if( &PO::copy(
						PO::any_range<boost::smatch, boost::bidirectional_traversal_tag>(*v = str|PO::matches(boost::regex("\\s+|\\w+|\\W"))|PO::copied)|PO::reversed,
						PO::stream_writer(fout)
					) ) {}
					if(fout << std::endl) {}
				}
			}
		}
	}
}
*/

int main(){if(std::ifstream fin=std::ifstream("constitute.txt")){if(std::ofstream fout=std::ofstream("reverse.txt")){if(boost::shared_ptr<std::list<boost::smatch>> v=boost::make_shared<std::list<boost::smatch>>()){PSTADE_OVEN_FOREACH(str,PO::stream_lines(fin)){if(&PO::copy(PO::any_range<boost::smatch,boost::bidirectional_traversal_tag>(*v=str|PO::matches(boost::regex("\\s+|\\w+|\\W"))|PO::copied)|PO::reversed,PO::stream_writer(fout))){}if(fout<<std::endl){}}}}}}

pstade.oven最強過ぎる・・・