题目描述 One cold winter evening Alice and her older brother Bob was sitting at home near the fireplace and giving each other interesting problems to solve. When it was Alices turn, she told the number nn to Bob and said: —Shuffle the digits in this num…

任务内容 规划⼀个C类IP地址，例如使用子网掩码将IP地址192.168.99.0～192.168.99.255划分成四个子网（可以从8位主机号中借用几位作为子网号），并使之能互联互通 解答：由于给的网络地址是C类地址&#xff0c…

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Problem Description You are given one integer number n. Find three distinct integers a,b,c such that 2≤a,b,c and a⋅b⋅cn or say that it is impossible to do it. If there are several answers, you can print any. You have to answer t independent test cases. …

原题链接：http://codeforces.com/contest/1042/problem/C Array Product You are given an array a a a consisting of n n n integers. You can perform the following operations with it: Choose some positions i i i and j ( 1 ≤ i , j ≤ n , i ≠ j )…

Cyc中的概念被称为“常量(constants)”。常量以"#$"开头并区分大小写。常量主要分为以下几类： 个体，即individuals：例如 #$BillClinton 又如 #$France。 集合，即Collections：例如 #$Tree-ThePlant (包含所有…

任务一： 网页返回信息： Unicode转码: 填入字段返回： 任务二：....... 拓展： 使用子网掩码将一组C类IP地址（范围为192.168.99.0~192.168.99.255）划分成四个子网 *掌握IP组网技术，理…

输入一个三位的正整数&#xff0c;判断该数是否为水仙花数&#xff08;水仙花数指的是一个三位数&#xff0c;其各位数字的立方和等于该数本身。例如&#xff1a;153是一个水仙花数&#xff0c;因为153111555333&#xff09;。 #include<stdio.h> void main() {int a, b…