Fixed warnings

Author: javadev

src/main/kotlin/g3501_3600/s3518_smallest_palindromic_rearrangement_ii/Solution.kt

@@ -8,7 +8,7 @@ class Solution {
         var k = k
         val frequency = IntArray(26)
         for (i in 0..<inputStr.length) {
-            val ch = inputStr.get(i)
+            val ch = inputStr[i]
             frequency[ch.code - 'a'.code]++
         }
         var mid = 0.toChar()
@@ -47,13 +47,11 @@ class Solution {
         }
         val firstHalf = firstHalfBuilder.toString()
         val revHalf = StringBuilder(firstHalf).reverse().toString()
-        val result: String
-        if (mid.code == 0) {
-            result = firstHalf + revHalf
+        return if (mid.code == 0) {
+            firstHalf + revHalf
         } else {
-            result = firstHalf + mid + revHalf
+            firstHalf + mid + revHalf
         }
-        return result
     }
 
     private fun multinomial(counts: IntArray): Long {

src/test/kotlin/g3501_3600/s3517_smallest_palindromic_rearrangement_i/SolutionTest.kt

@@ -14,15 +14,15 @@ internal class SolutionTest {
     fun smallestPalindrome2() {
         assertThat<String>(
             Solution().smallestPalindrome("babab"),
-            equalTo<String>("abbba")
+            equalTo<String>("abbba"),
         )
     }
 
     @Test
     fun smallestPalindrome3() {
         assertThat<String>(
             Solution().smallestPalindrome("daccad"),
-            equalTo<String>("acddca")
+            equalTo<String>("acddca"),
         )
     }
 }

src/test/kotlin/g3501_3600/s3518_smallest_palindromic_rearrangement_ii/SolutionTest.kt

@@ -9,7 +9,7 @@ internal class SolutionTest {
     fun smallestPalindrome() {
         assertThat<String>(
             Solution().smallestPalindrome("abba", 2),
-            equalTo<String>("baab")
+            equalTo<String>("baab"),
         )
     }
 
@@ -22,7 +22,7 @@ internal class SolutionTest {
     fun smallestPalindrome3() {
         assertThat<String>(
             Solution().smallestPalindrome("bacab", 1),
-            equalTo<String>("abcba")
+            equalTo<String>("abcba"),
         )
     }
 }