Add Baseball Game

Author: ocimen

LeetCode/682-BaseballGame.cs

@@ -0,0 +1,32 @@
+//Problem: https://leetcode.com/problems/baseball-game
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace LeetCode {
+ public partial class Solution {
+ public int CalPoints(string[] ops) {
+ var baseball = new Stack<int>();
+ for(int i=0; i < ops.Length; i++) {
+ if(ops[i] == "+") {
+ var last = baseball.Pop();
+ var previous = baseball.Peek();
+ baseball.Push(last);
+ baseball.Push(last + previous);
+ }
+ else if(ops[i] == "D") {
+ var peek = baseball.Peek(); 
+ baseball.Push(peek * 2);
+ }
+ else if(ops[i] == "C") {
+ baseball.Pop();
+ }
+ else {
+ baseball.Push(Convert.ToInt32(ops[i]));
+ }
+ }
+ 
+ return baseball.Sum();
+ }
+ }
+}

README.md

@@ -5,4 +5,5 @@ LeetCode C# solutions
 |---| ----- | -------- | ---------- |
 |**344**| **[Reverse String](https://leetcode.com/problems/reverse-string/)** | **[C#](https://github.com/ocimen/leetcode/blob/main/LeetCode/344-ReverseString.cs)** | **Easy** |
 |**509**| **[Fibonacci Number](https://leetcode.com/problems/fibonacci-number/)** | **[C#](https://github.com/ocimen/leetcode/blob/main/LeetCode/509-FibonacciNumber.cs)** | **Easy** |
+|**682**| **[Fibonacci Number](https://leetcode.com/problems/baseball-game/)** | **[C#](https://github.com/ocimen/leetcode/blob/main/LeetCode/682-BaseballGame.cs)** | **Easy** |
 |**1432**| **[Kids With the Greatest Number of Candies](https://leetcode.com/problems/kids-with-the-greatest-number-of-candies/)** | **[C#](https://github.com/ocimen/leetcode/blob/main/LeetCode/1431-KidsWithGreatestNumberofCandies.cs)** | **Easy** |