littledouble的专栏

A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number. All single digit numbers are palindromic numbers

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, where the first 2 digits are for Red, the middle 2 dig

A table tennis club has N tables available to the public. The tables are numbered from 1 to N. For any pair of players, if there are some tables open when they arrive, they will be assigned to the ava

Programming Ability Test (PAT) is organized by the College of Computer Science and Technology of Zhejiang University. Each test is supposed to run simultaneously in several places, and the ranklists w

第一：安装IBus框架， sudo apt-get install ibus ibus-clutter ibus-gtk ibus-gtk3 ibus-qt4 启动IBus框架，在终端输入： im-switch -s ibus 安装完IBus框架后注销系统，保证更改立即生效。 第三步：安装拼音引擎   有下面几种常用选择： IBus拼音：sudo apt-get install i