题解 | #句子逆序#

#include <iostream>
#include <algorithm>
#include <sstream>
using namespace std;

int main() {
    string a, b, out;
    int i = 0;
    getline(cin, a);
    istringstream str(a);
    while (str >> b) {
        out = b + out;
        out = ' ' + out;
    }
    out.erase(0, out.find_first_not_of(" "));
    cout << out << endl;
}

呜呜呜感觉做复杂了 算了