CoolMind

If you cannot measure it, you cannot improve it.

Leetcode summary of 20200223-20200301

Summary Highlight Code Section Summary Solved problems list 187. Repeated DNA Sequences 201. Bitwise AND of Numbers Range 166. ...

Posted by chunyang on March 1, 2020

Ugly number I and II

Ugly numbers are numbers which only divided by 2, 3, 5. By default 1 is also a ugly number. Ugly Number I Ugly Number II Summary Related ...

Posted by chunyang on February 25, 2020

Leetcode summary of 20200217-20200223

Summary Highlight Code Section Summary Solved problems list 393. UTF-8 Validation 200. Number of Islands 138. Copy List with Ra...

Posted by chunyang on February 24, 2020

How to exit nested loops

Introduction Use a bool flag Use goto Use lambda function Introduction Recently when solving 999. Available Captures for Rook, I need t...

Posted by chunyang on February 18, 2020

Leetcode summary of 20200209-20200216

Summary Highlight Code Section Summary Most of the problems solved are easy ones. Leetcode’s problem collection is increasing too fast....

Posted by chunyang on February 16, 2020

Common functions implemented using STL

Introduction Count lines String trim Convert case Split and Join strings Filter Map Reduce Introduction STL provides a lot of u...

Posted by chunyang on February 8, 2020

SuperTAB and YouCompleteMe compatibility

SuperTAB YouCompleteMe Problems SuperTAB SuperTAB Github YouCompleteMe YouCompleteMe Github Problems StackExchange SuperTAB and ...

Posted by chunyang on December 26, 2019

Generate random numbers in C++

Some times we need a random number for sort or as the input of our program. Previously we can use rand() to generate. Since c++ 11, we have a new w...

Posted by chunyang on November 6, 2019