感悟：第一次笔试，有点小慌，但是开始做题就进入状态了，整体感悟，总共分为选择题，多选（单选）选择题，编程题
选择题：计网，操作系统一些（还行，都是些408知识）
多选（单选）选择题：和上面差不多吧，没有什么Java题目
编程题：第一题！！！恶心死人了，不给输入样例个数，就是要自己判断输入换行符，我个人觉得是能AC，但是一直wa,不知道为啥，最后放弃了.
package Test; import java.util.Scanner; /** * @author Empirefree 胡宇乔: * @version 创建时间：2020年3月20日 上午9:30:15 */ public class Main { public static void main(String[] args) { //数据的初始化, int n, cnt = 0, temp; int[] num = new int[100005]; Scanner scanner = new Scanner(System.in); n = scanner.nextInt(); Scanner scanner2 = new Scanner(System.in); String string = scanner2.nextLine(); Scanner scanner3 = new Scanner(string); while(scanner3.hasNextLine()){ temp = scanner3.nextInt(); num[cnt++] = temp; } if(n > cnt) n = cnt; if(n < 0) n = 0; //输出 for(int i = n; i < cnt; i++){ System.out.printf("%d ", num[i]); } for(int i = n - 1; i >= 0; i--){ if(i == 0) System.out.printf("%d\n", num[i]); else System.out.printf("%d ", num[i]); } } }
Scanner scanner = new Scanner(System.in); n = scanner.nextInt(); Scanner scanner2 = new Scanner(System.in); String string = scanner2.nextLine(); Scanner scanner3 = new Scanner(string); while(scanner3.hasNextLine()){ temp = scanner3.nextInt(); num[cnt++] = temp; }
然后后面2道题很简单，条件输出和二次幂
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