Merge pull request #2049 from a93a/392

Create kotlin/0392-is-subsequence.kt

Author: a93a

kotlin/0392-is-subsequence.kt

@@ -0,0 +1,11 @@
+class Solution {
+    fun isSubsequence(s: String, t: String): Boolean {
+        var sIndex = 0
+        var tIndex = 0
+        while(sIndex < s.length && tIndex < t.length){
+            if(s[sIndex] == t[tIndex]) sIndex++
+            tIndex++
+        }
+        return sIndex == s.length
+    }
+}