Question

How to get set size in C++

Answer 1

#include <iostream>
#include <set>
#include <string>

using std::cout;
using std::endl;
using std::string;
using std::set;

int main()
{
	set<string> st{ "c", "c++", "java", "php" };

	cout << st.size() << endl;

	return 0;
}


/*
run:

4

*/

 

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