In most cases, if you are learning a new language, you will have to figure out in what cases, variables are copied by references and in what other cases, …
The problem is from codeforces: http://www.codeforces.com/problemset/problem/137/B It took me several attempts to get it right for this problem although it is not difficult. The problem is find out how …
I came across the any keyword in Python a couple days ago when I was trying to solve the problem in https://helloacm.com/a-sleuth/ At that time I did not fully …
I ran into the github site today and find it very popular. Therefore I decided to register a free account and start using it. The github is also one …
The problem is from codeforces: http://www.codeforces.com/problemset/problem/158/A It is summer. The temperature today in Sheffield is 25 degree. I got to say, I feel a bit sleepy in the afternoon. …
The problem is from codeforces: http://www.codeforces.com/problemset/problem/118/A Python is good at string manipulations. The problem is easy and the solution is straightforward. Just read the problem statement carefully… I didn’t …