1. 埃式筛法 求区间[2, n]内所有的素数对 💖 Main.java import java.util.Scanner;public class Main{static int N = (int) 1e8, cnt = 0;static int[] p = new int[N];static boolean[] st = new boolean[N];public static vo
1. 五星填数 💖 源代码 public class Main{static int[] nums = new int[11];static boolean[] used = new boolean[13];static long ans = 0;static{used[7] = true;used[11] = true;}public static void main(String[