| 5 | void printSet(const std::set<int>& my_set); // Print the contents of a set to std::cout |
| 6 | |
| 7 | int main() |
| 8 | { |
| 9 | std::set<int> my_set; |
| 10 | |
| 11 | // Insert elements 1 through 4 in arbitrary order: |
| 12 | my_set.insert(1); |
| 13 | my_set.insert(4); |
| 14 | my_set.insert(3); |
| 15 | my_set.insert(3); // Elements 3 and 1 are added twice |
| 16 | my_set.insert(1); |
| 17 | my_set.insert(2); |
| 18 | |
| 19 | printSet(my_set); |
| 20 | |
| 21 | std::cout << "The element 1 occurs " << my_set.count(1) << " time(s)" << std::endl; |
| 22 | |
| 23 | my_set.erase(1); // Remove the element 1 once |
| 24 | printSet(my_set); |
| 25 | |
| 26 | my_set.clear(); // Remove all elements |
| 27 | printSet(my_set); |
| 28 | } |
| 29 | |
| 30 | void printSet(const std::set<int>& my_set) |
| 31 | { |