---
layout: post
keywords: LeetCode, Stack, Algorithm
description: Stack Algorithm in LeetCode
title: "Stack Algorithm in LeetCode"
categories: [Stack]
tags: [Stack, LeetCode]
group: archive
icon: file-alt
---
{% include site/setup %}

|Id  | Title  | Solution   | Time | Runtime |  Space | Difficulty  | Catagory|
 ------------ | ------------ | ------------ | ------------ | ------------ | ------------ | ------------ | ------------
|0020|[Valid Parentheses](https://leetcode.com/problems/valid-parentheses/) | [Java](https://e.srl/leetcode-20/)  | O(n) |-| O(n)  |  Easy |Stack|
|0071|[Simplify Path](https://leetcode.com/problems/simplify-path/) | [Java](https://e.srl/leetcode-71/)  |-|-|-|  Easy |Stack|
|0150|[Evaluate Reverse Polish Notation](https://leetcode.com/problems/evaluate-reverse-polish-notation/) | [Java](https://e.srl/leetcode-150/)  | O(n) |-| O(n)  |  Medium |Stack|
|0155|[Min Stack](https://leetcode.com/problems/min-stack) | [Java](https://e.srl/leetcode-155/)  | O(n) |-| O(n)  |  Easy |Stack|











---
layout: post
keywords: LeetCode, Stack, Algorithm
description: Stack Algorithm in LeetCode
title: "Stack Algorithm in LeetCode"
categories: [Stack]
tags: [Stack, LeetCode]
group: archive
icon: file-alt
---
{% include site/setup %}

|Id  | Title  | Solution   | Time | Runtime |  Space | Difficulty  | Catagory|
 ------------ | ------------ | ------------ | ------------ | ------------ | ------------ | ------------ | ------------
|0020|[Valid Parentheses](https://leetcode.com/problems/valid-parentheses/) | [Java](https://e.srl/leetcode-20/)  | O(n) |-| O(n)  |  Easy |Stack|
|0071|[Simplify Path](https://leetcode.com/problems/simplify-path/) | [Java](https://e.srl/leetcode-71/)  |-|-|-|  Easy |Stack|
|0150|[Evaluate Reverse Polish Notation](https://leetcode.com/problems/evaluate-reverse-polish-notation/) | [Java](https://e.srl/leetcode-150/)  | O(n) |-| O(n)  |  Medium |Stack|
|0155|[Min Stack](https://leetcode.com/problems/min-stack) | [Java](https://e.srl/leetcode-155/)  | O(n) |-| O(n)  |  Easy |Stack|
|0225|[Implement Stack using Queues](https://leetcode.com/problems/implement-stack-using-queues/) | [Java](https://e.srl/leetcode-225/)  |-|-|-|  Easy |Stack|











Add index of LeetCode0225.java to docs
Add index of LeetCode0225.java to docs
