Fixed sonar warnings.

Author: javadev

src/main/kotlin/g0001_0100/s0010_regular_expression_matching/Solution.kt

@@ -6,7 +6,7 @@ class Solution {
         dp[text.length][pattern.length] = true
         for (i in text.length downTo 0) {
             for (j in pattern.length - 1 downTo 0) {
-                val firstMatch = ((i < text.length && ((pattern[j] == text[i] || pattern[j] == '.'))))
+                val firstMatch = i < text.length && ((pattern[j] == text[i] || pattern[j] == '.'))
                 if (j + 1 < pattern.length && pattern[j + 1] == '*') {
                     dp[i][j] = dp[i][j + 2] || firstMatch && dp[i + 1][j]
                 } else {

src/main/kotlin/g0001_0100/s0012_integer_to_roman/Solution.kt

@@ -52,8 +52,6 @@ class Solution {
                 sb.append(cOne)
             }
             1 -> sb.append(cOne)
-            else -> {
-            }
         }
         return num - div * one
     }