题解 | #参数解析#

#include<bits/stdc++.h>
using namespace std;
int main()
{
    string s,e;
    int pos;
    while(getline(cin,s))
    {
        while((pos=s.find(' '))<s.size())
            s.replace(pos,1,"\n");
        e="";
        bool f=0;
        for(auto i:s)
            if(i=='"')f=!f;
            else if(f&&i=='\n')e+=' ';
            else e+=i;
    }
    cout<< count(e.begin(),e.end(),'\n')+1<<endl<<e<<endl;
}