CareerCup

def fun(temp,k,i,l):
	#swap l[i] and temp
	swap_val=l[i]
	l[i]=temp
	temp=l[i]
	if(temp==None):
		return l
	else:
		return fun(temp,k,(i+k)%len(l),l)

/**
 * @param {number[]} nums
 * @param {number} k
 * @return {void} Do not return anything, modify nums in-place instead.
 */
var rotate = function(nums, k) {
    let len = nums.length
    let portion = nums.splice(len - (k%len), len)

    nums.unshift(...portion)
};

void rotate(int in[], int l, int k){
	int cur = k%l;
	while(cur != 0){
		swap(in, 0, cur);
		cur = (cur+k)%l;
	}
}

function rotate(inp, l, k){
  let cur = parseInt(l - (k%l));
  let i=0;
	while(cur < l){
		let temp = inp[i];
		inp[i] = inp[cur];
		inp[cur] = temp;
		cur++;
    i++;
	}
  cur = k;
  key = parseInt(l - (k%l));
  key2 = key;
  while(cur < key){
		let temp = inp[key2];
		inp[key2] = inp[cur];
		inp[cur] = temp;
		cur++;
    key2++;
	}
  console.log(inp);
}

let arr = [1,2,3,4,5,6]; 
rotate(arr,arr.length,2);