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题目： 中文翻译：就是有一些参加pat考试的用户给他们账号密码的时候，有一些憨憨对于密码中的一些符号会出现误会 1和l认不清 0和O认不清 所以解决办法就是把这四个符号用其余符号代替一下 1）1用@代替 2）0用%代替 3）l用L代替 4）O用o代替 注意输出格式 末尾的输出格式有单复数的问题和is 阅读全文
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转载https://blog.csdn.net/qq_36327717/article/details/89918115?utm_medium=distribute.pc_relevant.none-task-blog-baidujs_baidulandingword-0&spm=1001.2101 阅读全文
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题目： Given any string of N (≥) characters, you are asked to form the characters into the shape of U. For example, helloworld can be printed as: h d e l 阅读全文
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题目：People in Mars represent the colors in their computers in a similar way as the Earth people. That is, a color is represented by a 6-digit number, w 阅读全文
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题目： The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the 阅读全文
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题目：At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock the d 阅读全文
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题目：Given a non-negative integer N, your task is to compute the sum of all the digits of N, and output every digit of the sum in English. 给一个非负整数，你的任务是 阅读全文
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1、v-if和v-show的区别和相同点： 共同点：他们都是控制元素的显示和隐藏 区别：v-show是对display属性的控制，v-if是条件渲染（条件为真，渲染元素，条件假，销毁元素） v-if可以与template一起使用，v-show不可以 v-if切换开销太大，v-show开销相对来说小一 阅读全文
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Calculate a+b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are less tha 阅读全文
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public class Main { static int []a = new int[10]; public static void main(String[] args) { dfs(90,9); } public static void outpu(){ for(int i=9;i>=0;i 阅读全文