1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
// unordered_set::size
#include <iostream>
#include <string>
#include <unordered_set>
int main ()
{
std::unordered_set<std::string> myset;
std::cout << "0. size: " << myset.size() << std::endl;
myset = {"milk","potatoes","eggs"};
std::cout << "1. size: " << myset.size() << std::endl;
myset.insert ("pineapple");
std::cout << "2. size: " << myset.size() << std::endl;
myset.erase ("milk");
std::cout << "3. size: " << myset.size() << std::endl;
return 0;
}
|