题解 | #HJ046 截取字符串#
截取字符串
http://www.nowcoder.com/practice/a30bbc1a0aca4c27b86dd88868de4a4a
import java.util.Scanner;
/**
* HJ46 截取字符串
*/
public class HJ046 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
while (sc.hasNext()) {
String str = sc.next();
int k = sc.nextInt();
System.out.println(str.substring(0, k));
}
sc.close();
}
}
，这还是稳定一个月2.5w的前提，草了
