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  1. #include <iostream>
  2. #include<map>
  3. #include<iterator>
  4. using namespace std;
  5.  
  6. void printMap(auto/*map<string,int>*/ fm){
  7. 	cout << fm.size() << endl;
  8. 	//map<string,int>::iterator it;
  9. 	for(auto it = fm.begin();it != fm.end();++it){
  10. 		//cout << (*it).first << "-" << (*it).second << endl;
  11. 		cout << it->first << "-" << it->second << endl;
  12. 	}
  13. }
  14. int main() {
  15. 	//basic initialization.
  16. 	map<string,int> m1;
  17. 	m1["date"] = 22;
  18. 	m1["month"] = 05;
  19. 	m1["year"] = 2004;
  20. 	printMap(m1);
  21.  
  22. 	//initializing a map using pair,using insert():
  23. 	map<string,int> m2;
  24. 	m2.insert(make_pair("date",22));
  25. 	m2.insert({"month",05});
  26. 	printMap(m2);
  27. 	return 0;
  28. }
Success #stdin #stdout 0.01s 5264KB
comments (?)
stdin
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Standard input is empty
stdout
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3
date-22
month-5
year-2004
2
date-22
month-5
https://ideone.com/jX4Q7I
language:
C++14 (gcc 8.3)
created:
6 days ago
visibility:
public

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