用来清除某模板前面恶心的数字。。。

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define inf 0x3f3f3f3f
#define N 2000
int main(){
    ofstream outfile;
    outfile.open("out.txt");
    string sss;
    while(1){
        getline(cin,sss);
        stringstream ss(sss);
        string tmp;
        ss>>tmp;
        while(!ss.eof()){
            ss>>tmp;
            cout<<' '<<tmp;
            outfile<<' '<<tmp;
        }
        cout<<'\n';
        outfile<<'\n';
    }return 0;
}

来源：https://www.cnblogs.com/guanwen769aaaa/p/11436614.html