摘要:
import java.util.Scanner; public class Main { public static void main(String[] args){ Scanner input = new Scanner(System.in); while(input.hasNext()){ int n = input.nextInt(); int sum = 0; ... 阅读全文
摘要:
//no package name //import when necessary import java.util.Scanner; //it has to be Main class public class Main { public static void main(String[] args){ Scanner input = new Scanner(System.in); ... 阅读全文