size of map with no elements
#include <iostream>
#include <utility>
#include <map>
using namespace std;
int main(void)
{
map<int, int> m;
cout << m.size();
}
//Output: 0size of map with no elements
#include <iostream>
#include <utility>
#include <map>
using namespace std;
int main(void)
{
map<int, int> m;
cout << m.size();
}
//Output: 0Copyright © 2021 Codeinu
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