import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int[] f = new int[n]; int[] w = new int[n]; int[] a = new int[n]; int max = 0; for(int i = 0; i < n; i++) w[i] = ...