[left rotation](https://www.hackerrank.com/challenges/ctci-array-left-rotation)

gistfile1.txt

##[left rotation](https://www.hackerrank.com/challenges/ctci-array-left-rotation)

```javascript
function main() {
    var n_temp = readLine().split(' ');
    var n = parseInt(n_temp[0]);
    var k = parseInt(n_temp[1]);
    a = readLine().split(' ');
    a = a.map(Number);
    var arr=[1,2,3,4,5]
    function rotate(arr){
        arr.splice(n,0,arr[0]);
        arr.splice(0,1);
    }
    for(var i=0; i<k; i++){
        rotate(a);
    }
    console.log(a.join(" "));
}

```
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