Priyanka and Toys Solution in JS

Priyanka and Toys Solution

Hackerrank.com 

solution in Javascript

function processData(input) {
    input = input.split('\n');
    let n = parseInt(input[0]);
    let toys = input[1].split(' ').map(Number).sort((a,b)=>{return a-b;});
    toys = [...new Set(toys)]; // unique items
    n = toys.length;
    var i =0;
    var buckets=1;
    curBucket = toys[0];
    for( var i=1; i<n; i++){
        if(curBucket+4<toys[i]){
           buckets++;
            curBucket = toys[i];
        }
    }
    console.log(buckets);
    
    
} 

process.stdin.resume();
process.stdin.setEncoding("ascii");
_input = "";
process.stdin.on("data", function (input) {
    _input += input;
});

process.stdin.on("end", function () {
   processData(_input);
});