题解 | #单词倒排#

#include <bits/stdc++.h>
using namespace std;
int main(){
    string s;
    while(getline(cin,s)){
        string ans;
        for(int i=s.length() - 1;i>=0;i--){
            string tmp;
            while(isalpha(s[i])&&i>=0){
                tmp=s[i]+tmp;
                i--;
            }
            ans +=(tmp+" ");
        }
        ans=ans.substr(0,ans.length()-1);
        cout<<ans<<endl;
    }
    
}