学习和记录一下

方法1：

#include <iostream>
#include <vector>
#include <string>
using namespace std;
int main()
{
    string s;
    vector<string> v;
    while (cin >> s) {
        v.push_back(s);
    }
    for (auto it = v.rbegin(); it != v.rend(); it++) {
        cout << *it << " ";
    }
}

方法2

#include <iostream>
#include <vector>
#include <string>
#include<bits/stdc++.h>
using namespace std;
int main()
{
    string s;
    vector<string> v;
    while (cin >> s) {
        v.emplace_back(s);
    }
    copy(v.rbegin(), v.rend(), ostream_iterator<string> (cout, " "));
}

方法3

#include <iostream>
#include <string>
#include <stack>
using namespace std;
int main()
{
    string str;
    stack<string> sta;
    while (cin >> str) {
        sta.push(str);
    }
    while (!sta.empty()) {
        cout << sta.top() << " ";
        sta.pop();
    }
}