Chinese translated version of Documentation/PCI/pci-iov-howto.txt If you have any comment or update to the content, please contact the original document maintainer directly. However, if you have a problem communicating in English you can also ask th
文件A: a f b e c d 文件B: b c a 目的:A包含B,找出A中有但B中没有的部分 代码: 首先利用dos2unix命令将windows文件转换为unix文件 dos2unix a.txt b.txt 方法一: sort a.txt b.txt |uniq -u 输出结果: d e f g k 方法二: grep -vf b.txt a.txt 输出结果: d e f k g 方法一为按字符串排序后输出,方法二位按照原序输出
Codeforces 1091D New Year and the Permutation Concatenation https://codeforces.com/contest/1091/problem/D 题目: Let n be an integer. Consider all permutations on integers 1 to n in lexicographic order, and concatenate them into one big sequence p. For
Coach Pang and Uncle Yang both love numbers. Every morning they play a game with number together. In each game the following will be done: 1. Coach Pang randomly choose a integer x in [a, b] with equal probability. 2. Uncle Yang randomly choose a i
D. Roman Digits time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Let's introduce a number system which is based on a roman digits. There are digits I, V, X, L which correspond to the numbers
VF 时间限制:1000 ms | 内存限制:65535 KB 难度:2 描述 Vasya is the beginning mathematician. He decided to make an important contribution to the science and to become famous all over the world. But how can he do that if the most interesting facts such as Pythag