#include <iostream>
#include <cassert>
#include <algorithm>
#include <list>
#include <iterator>
using namespace std;
int main()
{
cout << "Type some characters, including an 'x' followed\n"
<< "by at least one nonwhite-space character: " << flush;
istream_iterator<char> in(cin);
istream_iterator<char> eos;
find(in, eos, 'x');
cout << "The first nonwhite-space character following\n"
<< "the first 'x' was '" << *(++in) << "'." << endl;
return 0;
}
/*
Type some characters, including an 'x' followed
by at least one nonwhite-space character: x is before y
The first nonwhite-space character following
the first 'x' was 'i'.
*/
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