Phryxia

class CircularQueue {
  /**
   * @param {number} growthRate Rate of growth  when additional allocation is required. It must be larger than 1.
   */
  constructor(growthRate) {
    this.growthRate = growthRate
    this.data = new Array(4);
    this.head = 0;
    this.tail = 0;
    this.size = 0;