字符串去除空白输出

#include <iostream>
#include <sstream>
#include <string>

using namespace std;

int main()
{
    
    
    string s = "Somewhere   down the road";
    istringstream iss(s);
	string c;
    do
    {
    
    
        string subs;
        iss >> subs;
//        cout << "Substring: " << subs << endl;
		c+=subs;
    } while (iss);
    cout<<c;
}