皮酱的博客

注意事项：系数为 0 的多项式要取消小数点保留到一位浮点数比较用 longimport java.util.*;public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); Map<Integer, Double> map = new TreeMap<>(); for (int i

法一：Java 自带耗时 140 ms。import java.util.Scanner;public class Main { public static void main(String[] args){ Scanner in = new Scanner(System.in); System.out.printf("%,d", in.nextInt() + in.nextInt()); }}法二：