Time: 112 ms, Memory: 49.9 MB - LeetHub

Author: dev-ahmedhany

0min-stack/0min-stack.js

@@ -0,0 +1,47 @@
+
+var MinStack = function() {
+    this._top = -1;
+    this.data = [];
+    this.min = Number.MAX_SAFE_INTEGER;
+};
+
+/** 
+ * @param {number} val
+ * @return {void}
+ */
+MinStack.prototype.push = function(val) {
+    this.data[++this._top] = this.min;
+    this.data[++this._top] = val;
+    val < this.min && (this.min = val);
+};
+
+/**
+ * @return {void}
+ */
+MinStack.prototype.pop = function() {
+    this.min = this.data[--this._top];
+    --this._top;
+};
+
+/**
+ * @return {number}
+ */
+MinStack.prototype.top = function() {
+    return this.data[this._top];
+};
+
+/**
+ * @return {number}
+ */
+MinStack.prototype.getMin = function() {
+    return this.min;
+};
+
+/** 
+ * Your MinStack object will be instantiated and called as such:
+ * var obj = new MinStack()
+ * obj.push(val)
+ * obj.pop()
+ * var param_3 = obj.top()
+ * var param_4 = obj.getMin()
+ */