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)) }