feat(content): more test cases

backend/data/questions/minimum-window-substring.yaml

@@ -9,6 +9,26 @@ categories:
 patterns:
   - sliding-window
 
+function_signature: "def min_window(s: str, t: str) -> str:"
+
+test_cases:
+  visible:
+    - input: { s: "ADOBECODEBANC", t: "ABC" }
+      expected: "BANC"
+    - input: { s: "a", t: "a" }
+      expected: "a"
+    - input: { s: "a", t: "aa" }
+      expected: ""
+  hidden:
+    - input: { s: "ab", t: "a" }
+      expected: "a"
+    - input: { s: "ab", t: "b" }
+      expected: "b"
+    - input: { s: "bba", t: "ab" }
+      expected: "ba"
+    - input: { s: "abc", t: "cba" }
+      expected: "abc"
+
 description: |
   Given two strings `s` and `t` of lengths `m` and `n` respectively, return *the **minimum window substring*** of `s` such that every character in `t` (**including duplicates**) is included in the window.