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circulerQueue.js
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circulerQueue.js
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//https://leetcode.com/problems/design-circular-queue/description/
/**
* @param {number} k
*/
var MyCircularQueue = function(k) {
this.q = [];
this.enQueue = function(value){
if(this.q.length >= k)
return false;
this.q.push(value);
return true;
};
this.deQueue = function(){
if(this.q.length <= 0)
return false;
this.q.shift();
return true;
};
this.Front = function(){
return this.q.length == 0 ? -1 : this.q.at(0);
};
this.Rear = function(){
return this.q.length == 0 ? -1 : this.q.at(-1);
};
this.isEmpty = function(){
return this.q.length == 0;
};
this.isFull = function(){
return this.q.length == k;
};
};
/**
* Your MyCircularQueue object will be instantiated and called as such:
* var obj = new MyCircularQueue(k)
* var param_1 = obj.enQueue(value)
* var param_2 = obj.deQueue()
* var param_3 = obj.Front()
* var param_4 = obj.Rear()
* var param_5 = obj.isEmpty()
* var param_6 = obj.isFull()
*/