From a260aa299799cd17bd75087a63d9d16b8c730859 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Velimir=20=C4=90urkovi=C4=87?= <velimir.djurkovic@gmail.com>
Date: Thu, 6 Feb 2025 16:16:23 +0100
Subject: [PATCH] feat: add csharp solution to lc problem: No.0019
---
.../README.md | 34 +++++++++++++++++--
.../README_EN.md | 34 +++++++++++++++++--
.../Solution.cs | 26 ++++++++++++++
3 files changed, 90 insertions(+), 4 deletions(-)
create mode 100644 solution/0000-0099/0019.Remove Nth Node From End of List/Solution.cs
diff --git a/solution/0000-0099/0019.Remove Nth Node From End of List/README.md b/solution/0000-0099/0019.Remove Nth Node From End of List/README.md
index e9931cdde2d49..151c80eb0c329 100644
--- a/solution/0000-0099/0019.Remove Nth Node From End of List/README.md
+++ b/solution/0000-0099/0019.Remove Nth Node From End of List/README.md
@@ -280,7 +280,7 @@ var removeNthFromEnd = function (head, n) {
#### Swift
-````swift
+```swift
/**
* Definition for singly-linked list.
* public class ListNode {
@@ -340,6 +340,37 @@ def remove_nth_from_end(head, n)
end
```
+#### C#
+
+```cs
+/**
+ * Definition for singly-linked list.
+ * public class ListNode {
+ * public int val;
+ * public ListNode next;
+ * public ListNode(int val=0, ListNode next=null) {
+ * this.val = val;
+ * this.next = next;
+ * }
+ * }
+ */
+public class Solution {
+ public ListNode RemoveNthFromEnd(ListNode head, int n) {
+ ListNode dummy = new ListNode(0, head);
+ ListNode fast = dummy, slow = dummy;
+ while (n-- > 0) {
+ fast = fast.next;
+ }
+ while (fast.next != null) {
+ slow = slow.next;
+ fast = fast.next;
+ }
+ slow.next = slow.next.next;
+ return dummy.next;
+ }
+}
+```
+
#### PHP
```php
@@ -381,4 +412,3 @@ class Solution {
<!-- solution:end -->
<!-- problem:end -->
-````
diff --git a/solution/0000-0099/0019.Remove Nth Node From End of List/README_EN.md b/solution/0000-0099/0019.Remove Nth Node From End of List/README_EN.md
index 6c85e356c3109..3905ab6e2d5de 100644
--- a/solution/0000-0099/0019.Remove Nth Node From End of List/README_EN.md
+++ b/solution/0000-0099/0019.Remove Nth Node From End of List/README_EN.md
@@ -277,7 +277,7 @@ var removeNthFromEnd = function (head, n) {
#### Swift
-````swift
+```swift
/**
* Definition for singly-linked list.
* public class ListNode {
@@ -337,6 +337,37 @@ def remove_nth_from_end(head, n)
end
```
+#### C#
+
+```cs
+/**
+ * Definition for singly-linked list.
+ * public class ListNode {
+ * public int val;
+ * public ListNode next;
+ * public ListNode(int val=0, ListNode next=null) {
+ * this.val = val;
+ * this.next = next;
+ * }
+ * }
+ */
+public class Solution {
+ public ListNode RemoveNthFromEnd(ListNode head, int n) {
+ ListNode dummy = new ListNode(0, head);
+ ListNode fast = dummy, slow = dummy;
+ while (n-- > 0) {
+ fast = fast.next;
+ }
+ while (fast.next != null) {
+ slow = slow.next;
+ fast = fast.next;
+ }
+ slow.next = slow.next.next;
+ return dummy.next;
+ }
+}
+```
+
#### PHP
```php
@@ -378,4 +409,3 @@ class Solution {
<!-- solution:end -->
<!-- problem:end -->
-````
diff --git a/solution/0000-0099/0019.Remove Nth Node From End of List/Solution.cs b/solution/0000-0099/0019.Remove Nth Node From End of List/Solution.cs
new file mode 100644
index 0000000000000..fe8e8f8c798e3
--- /dev/null
+++ b/solution/0000-0099/0019.Remove Nth Node From End of List/Solution.cs
@@ -0,0 +1,26 @@
+/**
+ * Definition for singly-linked list.
+ * public class ListNode {
+ * public int val;
+ * public ListNode next;
+ * public ListNode(int val=0, ListNode next=null) {
+ * this.val = val;
+ * this.next = next;
+ * }
+ * }
+ */
+public class Solution {
+ public ListNode RemoveNthFromEnd(ListNode head, int n) {
+ ListNode dummy = new ListNode(0, head);
+ ListNode fast = dummy, slow = dummy;
+ while (n-- > 0) {
+ fast = fast.next;
+ }
+ while (fast.next != null) {
+ slow = slow.next;
+ fast = fast.next;
+ }
+ slow.next = slow.next.next;
+ return dummy.next;
+ }
+}
\ No newline at end of file