[LeetCode] Add January 22.

pin3da · Jan 22, 2021 · d043c09 · d043c09
1 parent 0ab0d78
commit d043c09
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/solved/LeetCode/Challenges/2020/January/22.kt b/solved/LeetCode/Challenges/2020/January/22.kt
@@ -0,0 +1,11 @@
+class Solution {
+  fun closeStrings(A: String, B: String): Boolean {
+    val freqA = A.groupingBy { it }.eachCount()
+    val freqB = B.groupingBy { it }.eachCount()
+    val keysA = freqA.keys.sorted()
+    val keysB = freqB.keys.sorted()
+    val valA = freqA.values.sorted()
+    val valB = freqB.values.sorted()
+    return keysA == keysB && valA == valB
+  }
+}