add 2269

Author: fishercoder1534

README.md

@@ -8,6 +8,7 @@ _If you like this project, please leave me a star._ ★
 
 | #    |      Title     | Solutions                                                                                                                                | Video                                                                         | Difficulty  | Tag                  
 |------|----------------|------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------|-------------|-------------
+| 2269 |[Find the K-Beauty of a Number](https://leetcode.com/problems/find-the-k-beauty-of-a-number/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2269.java)                                                                     || Easy                                                                          ||
 | 2264 |[Largest 3-Same-Digit Number in String](https://leetcode.com/problems/largest-3-same-digit-number-in-string/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2264.java)                                                                     || Easy                                                                          ||
 | 2260 |[Minimum Consecutive Cards to Pick Up](https://leetcode.com/problems/minimum-consecutive-cards-to-pick-up/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2260.java)                                                                     || Medium                                                                        ||
 | 2259 |[Remove Digit From Number to Maximize Result](https://leetcode.com/problems/remove-digit-from-number-to-maximize-result/)| [Java](../master/src/main/java/com/fishercoder/solutions/_2259.java)                                                                     || Easy                                                                          ||

src/main/java/com/fishercoder/solutions/_2269.java

@@ -0,0 +1,21 @@
+package com.fishercoder.solutions;
+
+public class _2269 {
+    public static class Solution1 {
+        public int divisorSubstrings(int num, int k) {
+            String numStr = new StringBuilder().append(num).toString();
+            int ans = 0;
+            for (int i = 0; i + k <= numStr.length(); i++) {
+                String candidate = numStr.substring(i, i + k);
+                int integer = Integer.parseInt(candidate);
+                if (integer == 0) {
+                    continue;
+                }
+                if (num % integer == 0) {
+                    ans++;
+                }
+            }
+            return ans;
+        }
+    }
+}