474. 一和零

src/arr.rs

@@ -1,3 +1,9 @@
+pub fn make_string_arr(s: &str) -> Vec<String> {
+    s.trim_matches(&['[', ']'][..])
+        .split(',')
+        .map(|s| s.trim_matches(&['"',' ']).to_string())
+        .collect()
+}
 pub fn make_arr(s: &str) -> Vec<i32> {
     s.trim_matches(&['[', ']'][..])
         .split(',')
@@ -72,4 +78,4 @@ pub fn make_matrix(s: &str) -> Vec<Vec<i32>> {
     }
 
     rows
-}
+}