题解 | #截取字符串#
截取字符串
https://www.nowcoder.com/practice/a30bbc1a0aca4c27b86dd88868de4a4a
import java.util.Scanner
fun main(args: Array<String>) {
val read = Scanner(System.`in`)
val res = read.nextLine()
val n = read.nextLine().toInt()
print(res.substring(0, n))
}
