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How to print map using reverse iterator in C++

1 Answer

0 votes
#include <iostream>
#include <map>

using std::cout;
using std::endl;
using std::map;

int main()
{
	map<char, int> mp;

	for (int i = 0; i < 5; i++)
		mp.insert(std::pair<char, int>('a' + i, 97 + i));

	map<char, int>::reverse_iterator rev_it;

	for (rev_it = mp.rbegin(); rev_it != mp.rend(); rev_it++) {
		cout << rev_it->first << " = " << rev_it->second << " ASCII " << endl;
	}

	return 0;
}

/*
run:

e = 101 ASCII
d = 100 ASCII
c = 99 ASCII
b = 98 ASCII
a = 97 ASCII

*/

 





answered May 5, 2018 by avibootz

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