題目鏈接：http://codeforces.com/problemset/problem/892/A

具體的Java 中 sort實現降序排序：https://www.cnblogs.com/youpeng/p/10546797.html
Ac代碼：

import java.util.Comparator; import java.util.Scanner;import static java.util.Arrays.sort;public class Main {public static void main(String[] args) {Scanner scanner = new Scanner(System.in);while (scanner.hasNext()) {int n = scanner.nextInt();Integer[] arr = new Integer[n];long sum = 0, x;int max1, max2;for (int i = 0; i < n; i++) {x = scanner.nextInt();sum += x;}for (int i = 0; i < n; i++) {arr[i] = scanner.nextInt();}Comparator cmp = new Mycomparator();sort(arr, cmp);max1 = arr[0];max2 = arr[1];if (sum > max1 + max2) {System.out.println("NO");} else {System.out.println("YES");}}}}class Mycomparator implements Comparator<Integer> {@Overridepublic int compare(Integer a, Integer b) {return a > b ? -1 : 1;} }

轉載于:https://www.cnblogs.com/youpeng/p/10546754.html

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