155.min-stack.js

/*
 * @lc app=leetcode id=155 lang=javascript
 *
 * [155] Min Stack
 */

// @lc code=start
/**
 * initialize your data structure here.
 */
const MinStack = function () {
  this.MinStack = [];
  this.container = [];

};

/**
 * @param {number} x
 * @return {void}
 */
MinStack.prototype.push = function (x) {
  this.container.push(x);
};

/**
 * @return {void}
 */
MinStack.prototype.pop = function () {
  const x = this.container.pop();
};

/**
 * @return {number}
 */
MinStack.prototype.top = function () {
  return this.container[this.container.length - 1];
};

/**
 * @return {number}
 */
MinStack.prototype.getMin = function () {
  return Math.min(...this.container);
};

/**
 * Your MinStack object will be instantiated and called as such:
 * var obj = new MinStack()
 * obj.push(x)
 * obj.pop()
 * var param_3 = obj.top()
 * var param_4 = obj.getMin()
 */
// @lc code=end