kk

src/main/java/com/dota/str/Solution.java

@@ -18,10 +18,4 @@ class Solution {
         sb.setCharAt(sb.length()-1, 'b');
         return sb.toString();
     }
-}
-
-class Solution {
-    public int beautifulSubsets(int[] nums, int k) {
-
-    }
 }

src/main/java/com/dota/str/_2269/Solution.java

@@ -0,0 +1,24 @@
+package com.dota.str._2269;
+
+class Solution {
+    public int divisorSubstrings(int num, int k) {
+        var res = 0;
+        var x = (int) Math.pow(10, k);
+        var a = num;
+        while(num > x) {
+            var t = num % x;
+            num /= 10;
+            if (t == 0) {
+                continue;
+            }
+
+            if (a % t == 0) {
+                res++;
+            }
+        }
+        if (num > 0 && a % num == 0) {
+            res++;
+        }
+        return res;
+    }
+}