IP属地：内蒙古
前言 前一段时间因为某门课的实验报告（代码+英文）强制要求使用LaTex写，所以开始初步接触了LaTex，使用的工具是TexLive 2017 ...
前言 刚刚开始学习Qt，于是就从官网下载了最新版的Qt 5.9.1，对初学者而言应该首先掌握Qt的官方IDE——Qt Creator，但是非常神...
Problem In task scheduling, it is common to use a graph representation w...
Problem Given a non-negative integer n, count all numbers with unique di...
Problem Suppose you have N integers from 1 to N. We define a beautiful a...
Problem A binary watch has 4 LEDs on the top which represent the hours (...
Problem There are a total of n courses you have to take, labeled from 0 ...
Problem There are a total of n courses you have to take, labeled from 0 ...
Problem Given two words word1 and word2, find the minimum number of step...