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  1. #include <map>
  2. #include<iostream>
  3. using namespace std;
  4.  
  5.  
  6.  
  7. int main() {
  8. 	multimap<int,string> m;
  9. 	m.insert({1,"hello"});
  10. 	m.insert({1,"world"});
  11. 	m.insert({2,"goodbye"});
  12. 	m.insert({3,"spacecows"});
  13.  
  14. 	cout<<"Number of elements in key 1: "<<m.count(1)<<endl;
  15.  
  16. 	auto range = m.equal_range(1);
  17. 	for(auto iter = range.first; iter != range.second; iter++) cout<<iter->second<<" ";
  18. 	cout<<endl;
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 3472KB
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stdin
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Standard input is empty
stdout
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Number of elements in key 1: 2
hello world
https://ideone.com/KRYPi3
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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