From fc9780515362f19ff5575a4ea98408ecab0a1580 Mon Sep 17 00:00:00 2001
From: ivan <ivan1016017@gmail.com>
Date: Sat, 2 May 2026 05:08:37 -0600
Subject: [PATCH] adding updtes

---
 .../ex_04_remove_duplicates_ii.py             | 26 +++++++++++++++++++
 .../ex_04_remove_duplicates_ii.ts             | 18 +++++++++++++
 .../test_04_remove_duplicates_ii_round_23.py  | 10 +++++++
 3 files changed, 54 insertions(+)
 create mode 100644 src/my_project/interviews/top_150_questions_round_23/ex_04_remove_duplicates_ii.py
 create mode 100644 src/my_project/interviews_typescript/top_150_questions_round_23/ex_04_remove_duplicates_ii.ts
 create mode 100644 tests/test_150_questions_round_23/test_04_remove_duplicates_ii_round_23.py

diff --git a/src/my_project/interviews/top_150_questions_round_23/ex_04_remove_duplicates_ii.py b/src/my_project/interviews/top_150_questions_round_23/ex_04_remove_duplicates_ii.py
new file mode 100644
index 00000000..cb7d76f2
--- /dev/null
+++ b/src/my_project/interviews/top_150_questions_round_23/ex_04_remove_duplicates_ii.py
@@ -0,0 +1,26 @@
+from typing import List, Union, Collection, Mapping, Optional
+from abc import ABC, abstractmethod
+
+class Solution(object):
+    def removeDuplicates(self, nums):
+        """
+        :type nums: List[int]
+        :rtype: int
+        """
+        
+        n = len(nums)
+        
+        if n < 3:
+            return n
+        
+        i , j = 1, 2
+        
+        while j < n:
+            if nums[i-1] != nums[j]:
+                i += 1
+            
+            
+            nums[i] = nums[j]
+            j+= 1
+        
+        return i+1
\ No newline at end of file
diff --git a/src/my_project/interviews_typescript/top_150_questions_round_23/ex_04_remove_duplicates_ii.ts b/src/my_project/interviews_typescript/top_150_questions_round_23/ex_04_remove_duplicates_ii.ts
new file mode 100644
index 00000000..37941f8e
--- /dev/null
+++ b/src/my_project/interviews_typescript/top_150_questions_round_23/ex_04_remove_duplicates_ii.ts
@@ -0,0 +1,18 @@
+function removeDuplicates(nums: number[]): number {
+    const n = nums.length;
+
+    if (n < 3) return n;
+
+    let i = 1, j = 2;
+
+    while (j < n) {
+        if (nums[i - 1] !== nums[j]) {
+            i++;
+        }
+
+        nums[i] = nums[j];
+        j++;
+    }
+
+    return i + 1;
+};
\ No newline at end of file
diff --git a/tests/test_150_questions_round_23/test_04_remove_duplicates_ii_round_23.py b/tests/test_150_questions_round_23/test_04_remove_duplicates_ii_round_23.py
new file mode 100644
index 00000000..ad329a2c
--- /dev/null
+++ b/tests/test_150_questions_round_23/test_04_remove_duplicates_ii_round_23.py
@@ -0,0 +1,10 @@
+import unittest
+from src.my_project.interviews.top_150_questions_round_23\
+.ex_04_remove_duplicates_ii import Solution
+
+class RemoveDuplicatesTestCaseII(unittest.TestCase):
+    def test_remove_duplicates(self):
+        solution = Solution()
+        output = solution.removeDuplicates(nums = [1,1,1,2,2,3])
+        target = 5
+        self.assertEqual(output, target)
\ No newline at end of file