CountObjsHR.js

/*
Task

Complete the function in the editor. It has one parameter: an array, , of objects. Each object in the array has two integer properties denoted by  and . The function must return a count of all such objects  in array  that satisfy .

Input Format

The first line contains an integer denoting .
Each of the  subsequent lines contains two space-separated integers describing the values of  and .

Constraints

Output Format

Return a count of the total number of objects  such that . Locked stub code in the editor prints the returned value to STDOUT.

Sample Input 0

5
1 1
2 3
3 3
3 4
4 5
Sample Output 0

2
Explanation 0

There are  objects in the  array:

Because we have two objects  that satisfy  (i.e.,  and ), we return  as our answer.


*/
// SOLUTION
function getCount(objects) {
    return objects.filter(function(o){return o.x==o.y}).length
}