setdiff2.cpp
setdiff2.cpp
#include ‹stl.h›
#include ‹iostream.h›
#include ‹string.h›
char* word1 = "ABCDEFGHIJKLMNO";
char* word2 = "LMNOPQRSTUVWXYZ";
int main() {
ostream_iterator‹char› iter(cout, " ");
cout ‹‹ "word1: ";
copy(word1, word1 + ::strlen(word1), iter);
cout ‹‹ " word2: ";
copy(word2, word2 + ::strlen(word2), iter);
cout ‹‹ endl;
set_difference(word1, word1 + ::strlen(word1), word2, word2 + ::strlen(word2), iter, less‹char›());
cout ‹‹ endl;
return 0;
}