J1_Chen的博客

我先写在这里以免自己老是忘记。1、&&是且2、||是或3、在if 判断的括号里面：if(n&2==1){...} else(2<n<6){...}//错误 else(2<n%%n<6){...}//正确

Note: If you use the nextLine() method immediately following the nextInt() method, recall that nextInt() reads integer tokens; because of this, the last newline character for that line of integer input

Note：这些内容都是来自hackerrank的题目笔记和讨论区。先看这道题的解法：import java.util.Scanner;public class Solution {public static void main(String[] args) { Scanner sc=new Scanner(System.in); System.out.println(