diff --git "a/separate_black_and_white_balls/meta.json" "b/separate_black_and_white_balls/meta.json"
new file mode 100644--- /dev/null
+++ "b/separate_black_and_white_balls/meta.json"
@@ -0,0 +1,52 @@
+{
+    "id": 3195,
+    "name": "separate_black_and_white_balls",
+    "difficulty": "Medium",
+    "link": "https://leetcode.com/problems/separate-black-and-white-balls/",
+    "date": "2023-11-12 00:00:00",
+    "task_description": "There are `n` balls on a table, each ball has a color black or white. You are given a **0-indexed** binary string `s` of length `n`, where `1` and `0` represent black and white balls, respectively. In each step, you can choose two adjacent balls and swap them. Return _the **minimum** number of steps to group all the black balls to the right and all the white balls to the left_. **Example 1:** ``` **Input:** s = \"101\" **Output:** 1 **Explanation:** We can group all the black balls to the right in the following way: - Swap s[0] and s[1], s = \"011\". Initially, 1s are not grouped together, requiring at least 1 step to group them to the right. ``` **Example 2:** ``` **Input:** s = \"100\" **Output:** 2 **Explanation:** We can group all the black balls to the right in the following way: - Swap s[0] and s[1], s = \"010\". - Swap s[1] and s[2], s = \"001\". It can be proven that the minimum number of steps needed is 2. ``` **Example 3:** ``` **Input:** s = \"0111\" **Output:** 0 **Explanation:** All the black balls are already grouped to the right. ``` **Constraints:** `1 <= n == s.length <= 105` `s[i]` is either `'0'` or `'1'`.",
+    "public_test_cases": [
+        {
+            "label": "Example 1",
+            "input": "s = \"101\"",
+            "output": "1 "
+        },
+        {
+            "label": "Example 2",
+            "input": "s = \"100\"",
+            "output": "2 "
+        },
+        {
+            "label": "Example 3",
+            "input": "s = \"0111\"",
+            "output": "0 "
+        }
+    ],
+    "private_test_cases": [
+        {
+            "input": "0",
+            "output": 0
+        },
+        {
+            "input": "1001000100",
+            "output": 14
+        },
+        {
+            "input": "01010111100100010110100110000000001010000100100000",
+            "output": 384
+        },
+        {
+            "input": "01011111011101101001000001001100101111101100010011",
+            "output": 337
+        },
+        {
+            "input": 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1",
+            "output": 1256447650
+        }
+    ],
+    "haskell_template": "minimumSteps :: String -> Int\nminimumSteps s ",
+    "ocaml_template": "let minimumSteps (s: string) : int =  ",
+    "scala_template": "def minimumSteps(s: String): Int = { \n    \n}",
+    "java_template": "class Solution {\n    public long minimumSteps(String s) {\n        \n    }\n}",
+    "python_template": "class Solution(object):\n    def minimumSteps(self, s):\n        \"\"\"\n        :type s: str\n        :rtype: int\n        \"\"\"\n        "
+}
\ No newline at end of file