老张的小迷妹儿

摘要： import java.util.Scanner;public class NumberSum{ public static void main(String[] args) { int a,b,c,sum=0; Scanner input =new Scanner(System.in); Syst 阅读全文

摘要： import java.util.Scanner; public class Distance { public static void main(String[] args) { double a; Scanner input =new Scanner(System.in); System.out 阅读全文