feat(content): function signatures + test cases

backend/data/questions/check-if-two-string-arrays-are-equivalent.yaml

@@ -9,6 +9,26 @@ categories:
 patterns:
   - two-pointers
 
+function_signature: "def array_strings_are_equal(word1: list[str], word2: list[str]) -> bool:"
+
+test_cases:
+  visible:
+    - input: { word1: ["ab", "c"], word2: ["a", "bc"] }
+      expected: true
+    - input: { word1: ["a", "cb"], word2: ["ab", "c"] }
+      expected: false
+    - input: { word1: ["abc", "d", "defg"], word2: ["abcddefg"] }
+      expected: true
+  hidden:
+    - input: { word1: ["a"], word2: ["a"] }
+      expected: true
+    - input: { word1: ["a", "b", "c"], word2: ["abc"] }
+      expected: true
+    - input: { word1: ["ab"], word2: ["a", "b"] }
+      expected: true
+    - input: { word1: ["abc"], word2: ["ab"] }
+      expected: false
+
 description: |
   Given two string arrays `word1` and `word2`, return `true` *if the two arrays **represent** the same string, and* `false` *otherwise*.