数据过水

#include <bits/stdc++.h> 
using namespace std;
stringstream o;
string s; 

int main() {
	srand(9);
	for (int i=0; i<50; ++i) {
		s+=char(rand()%26+'a');
		cout<<s<<'*';
		o<<s<<1;
	}
	o>>s;
	cout<<'\n'<<s;
}