1

src/main/kotlin/p31xx/Problem3138.kt

@@ -0,0 +1,35 @@
+package p31xx
+
+import util.expect
+
+fun main() {
+    class Solution {
+        fun minAnagramLength(s: String): Int {
+            for (i in 1..s.length) {
+                if (s.length % i == 0) {
+                    val set = hashSetOf<String>()
+
+                    for (index in s.indices step i) {
+                        set.add(s.substring(index, index + i).toCharArray().also { it.sort() }.concatToString())
+
+                        if (set.size > 1) {
+                            break
+                        }
+                    }
+
+                    if (set.size == 1) {
+                        return i
+                    }
+                }
+            }
+
+            return s.length
+        }
+    }
+
+    expect {
+        Solution().minAnagramLength(
+            ""
+        )
+    }
+}