1 #include <
string>
2 #include <iostream>
3 #include <unordered_set>
4 using namespace std;
5
6
7 void main()
8 {
9 unordered_multiset<
string> myset{
"pig",
"pig",
"pig" ,
"chicken"};
10 /*for (auto i : myset)
11 {
12 cout << i << endl;
13 }*/
14
15 auto it = myset.equal_range(
"pig");
16
17 //输出所有重复数据
18 //it.first链表的起点 it.second链表的终点
19 for (auto ib = it.first, ie = it.second; ib != ie; ib++
)
20 {
21 cout << *it.first <<
endl;
22 }
23
24 cin.
get();
25 }
转载于:https://www.cnblogs.com/xiaochi/p/8635557.html
