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How to use count_if() to count vector elements that are greater that a given value in C++

1 Answer

0 votes
#include <iostream> 
#include <algorithm>
#include <vector>
#include <functional>

using std::vector;
using std::cout;  
using std::endl;

int main()
{
	vector<char> vec{ 'a', 'd', 'f', 'q' };

	int count = count_if(vec.begin(), vec.end(), std::bind2nd(std::greater<char>(), 'c'));
	cout << count << " elements greater than 'c'" << endl;

	return 0;
}

/*
run:

3 elements greater than 'c'

*/

 




answered Apr 26 by avibootz
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