题解 | #单词倒排#

#include <iostream>
#include<string>
#include<vector>
#include<algorithm>
using namespace std;

int main() {
    string ss;
    vector<string> vct;
    string buf = "";
    getline(cin, ss);

    for (auto cc : ss) {
        if ((cc >= 'A' && cc <= 'Z') || (cc <= 'z' && cc >= 'a')) {
            buf.push_back(cc);
            continue;
        } else {
            vct.push_back(buf);
            buf.clear();
            continue;
        }
    }

    vct.push_back(buf);

    vector<string>::reverse_iterator it = vct.rbegin();
    for (; it != vct.rend(); it++) {
        cout << *it << " ";
    }

    return 0;
}