57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
// setops.cpp -- some set operations
|
|
#include <iostream>
|
|
#include <string>
|
|
#include <set>
|
|
#include <algorithm>
|
|
#include <iterator>
|
|
|
|
int main()
|
|
{
|
|
using namespace std;
|
|
const int N = 6;
|
|
string s1[N] = {"buffoon", "thinkers", "for", "heavy", "can", "for"};
|
|
string s2[N] = {"metal", "any", "food", "elegant", "deliver","for"};
|
|
|
|
set<string> A(s1, s1 + N);
|
|
set<string> B(s2, s2 + N);
|
|
|
|
ostream_iterator<string, char> out(cout, " ");
|
|
cout << "Set A: ";
|
|
copy(A.begin(), A.end(), out);
|
|
cout << endl;
|
|
cout << "Set B: ";
|
|
copy(B.begin(), B.end(), out);
|
|
cout << endl;
|
|
|
|
cout << "Union of A and B:\n";
|
|
set_union(A.begin(), A.end(), B.begin(), B.end(), out);
|
|
cout << endl;
|
|
|
|
cout << "Intersection of A and B:\n";
|
|
set_intersection(A.begin(), A.end(), B.begin(), B.end(), out);
|
|
cout << endl;
|
|
|
|
cout << "Difference of A and B:\n";
|
|
set_difference(A.begin(), A.end(), B.begin(), B.end(), out);
|
|
cout << endl;
|
|
|
|
set<string> C;
|
|
cout << "Set C:\n";
|
|
set_union(A.begin(), A.end(), B.begin(), B.end(),
|
|
insert_iterator<set<string> >(C, C.begin()));
|
|
copy(C.begin(), C.end(), out);
|
|
cout << endl;
|
|
|
|
string s3("grungy");
|
|
C.insert(s3);
|
|
cout << "Set C after insertion:\n";
|
|
copy(C.begin(), C.end(),out);
|
|
cout << endl;
|
|
|
|
cout << "Showing a range:\n";
|
|
copy(C.lower_bound("ghost"),C.upper_bound("spook"), out);
|
|
cout << endl;
|
|
// cin.get();
|
|
return 0;
|
|
}
|