题解 | #单词倒排#

// HJ31 单词倒排.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
#include<iostream>
#include<bits/stdc++.h>

using namespace std;\

int main()
{
	string s;
	while (getline(cin, s))
	{
		for (int i = 0; i < s.size(); i++)
		{
			if (!isalpha(s[i]))
			{
				s[i] = ' ';
			}
		}
		stringstream ss;
		ss << s;
		vector<string> s1;
		while (ss >> s)
		{
			s1.push_back(s);
		}
		for (int i = s1.size() - 1; i > 0; i--)
		{
			cout << s1[i] << " ";
		}
		cout << s1[0] << endl;

		//cout << s << endl;
	}
	return 0;
}