Veritas des Liberty

摘要： A sequence of numbers is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is the 阅读全文

摘要： 1091 N-自守数 （15 分） 如果某个数 K 的平方乘以 N 以后，结果的末尾几位数等于 K，那么就称这个数为“N-自守数”。例如 3，而 2 的末尾两位正好是 9，所以 9 是一个 3-自守数。 本题就请你编写程序判断一个给定的数字是否关于某个 N 是 N-自守数。 输入格式： 输入在第一行 阅读全文

摘要： 距离上次我一个人参加PAT考试已经过去快一个学期了，想想上次自己也是搞笑，自己一个人被这个书包就去了ZZ，人生地不熟的，乘坐公交车还坐反了。考完试因为不知道要等到考试结束就可以领取成绩证书，自己连那张不及格的证书都没有领，就急着赶火车回到了学校。因为这个周末就参加考试了，所以考试前做几道题熟悉一下试 阅读全文

摘要： 记得之前电脑上的那个Ubuntu是去年寒假的时候安装的，算下来自己用Linux也快一年了。虽然在去年暑假的时候我也曾经想过要把Ubuntu升级到18.04可是当时安装了几次都没有成功，自己也就放弃了。于是就用Ubuntu17.10用了将近一年，从刚开始的的小白对linux一窍不通，到现在的大白。在使 阅读全文

摘要： Given a non-empty array containing only positive integers, find if the array can be partitioned into two subsets such that the sum of elements in both 阅读全文

摘要： A sequence of number is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is the 阅读全文

摘要： A frog is crossing a river. The river is divided into x units and at each unit there may or may not exist a stone. The frog can jump on a stone, but i 阅读全文

摘要： Given an integer array with all positive numbers and no duplicates, find the number of possible combinations that add up to a positive integer target. 阅读全文

摘要： We are playing the Guess Game. The game is as follows: I pick a number from 1 to n. You have to guess which number I picked. Every time you guess wron 阅读全文

摘要： Given a set of distinct positive integers, find the largest subset such that every pair (Si, Sj) of elements in this subset satisfies: Si % Sj = 0 or 阅读全文