fun stringElements2(s: String, list: List<Int>): String =
buildString {
list.map { it * 2 }
.forEach { append(s[it]) }
}
| Function Call | Return Value | |||
|---|---|---|---|---|
| stringElements2("abcdefgh", listOf(3, 2, 1, 0)) | → | |||
| stringElements2("hello there", listOf(0, 1, 2, 4)) | → | |||
| stringElements2("This is a test", listOf(4, 2, 2, 0)) | → | |||
| stringElements2("How was your day?", listOf(0, 4, 4, 3, 7, 7)) | → | |||
| stringElements2("Welcome to ReadingBat", listOf(1, 4, 2, 6, 8)) | → | |||
Experiment with this code on Gitpod.io or as a Kotlin Playground