[BOJ 9093]단어 뒤집기

	#include<iostream>
	#include<vector>
	#include<string>
	#include <sstream>
	#include <iterator>
	using namespace std;
	template<typename Out>
	void split(const std::string &s, char delim, Out result) {
	std::stringstream ss;
	ss.str(s);
	std::string item;
	while (std::getline(ss, item, delim)) {
	*(result++) = item;
	}
	}
	void reverse(string &str){
	for (int i=0;i<str.length()/2;i++){
	char temp = str[i];
	str[i] = str[str.length()-1-i];
	str[str.length()-1-i] = temp;
	}
	}
	std::vector<std::string> split(const std::string &s, char delim) {
	std::vector<std::string> elems;
	split(s, delim, std::back_inserter(elems));
	return elems;
	}
	int main(void)
	{
	int N;
	cin >> N;
	vector<string> vec;
	cin.ignore();
	for (int i=0;i<N;i++)
	{
	string str = "";
	getline(cin,str);
	vec = split(str,' ');
	for (int j=0;j<vec.size();j++)
	{
	reverse(vec[j]);
	if (j == vec.size()-1)
	cout << vec[j] << endl;
	else
	cout << vec[j] << " ";
	}
	vec.clear();
	}
	}

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