/**
* @param {number} k
*/
var MyCircularQueue = function(k) {
this.k = k;
this.arr = new Array(this.k);
this.headIdx = -1;
this.tailIdx = -1;
};
/**
* @param {number} value
* @return {boolean}
*/
MyCircularQueue.prototype.enQueue = function(value) {
if(this.isFull(