Create 0068-text-justification.kt

Author: a93a

kotlin/0068-text-justification.kt

@@ -0,0 +1,42 @@
+//opted out of using StringBuilder, instead used Kotlins plus operator to create new Strings
+class Solution {
+    fun fullJustify(words: Array<String>, maxWidth: Int): List<String> {
+        val res = mutableListOf<String>()
+        var line = mutableListOf<String>()
+        var length = 0
+        var i = 0
+
+        while (i < words.size) {
+            if (length + line.size + words[i].length > maxWidth) {
+                val extraSpace = maxWidth - length
+                val spaces = extraSpace / maxOf(1, line.size - 1)
+                var remainder = extraSpace % maxOf(1, line.size - 1)
+
+                for (j in 0 until maxOf(1, line.lastIndex)) {
+                    line[j] += " ".repeat(spaces)
+                    if (remainder > 0) {
+                        line[j] += " "
+                        remainder--
+                    }
+                }
+
+                var whole = ""
+                for (l in line) whole += l
+                res.add(whole)
+                line.clear()
+                length = 0
+            }
+
+            line.add(words[i])
+            length += words[i].length
+            i++
+        }
+
+        var lastLine = "" + line.joinToString(" ")
+        val trailSpace = maxWidth - lastLine.length
+        lastLine += " ".repeat(trailSpace)
+        res.add(lastLine)
+
+        return res
+    }
+}