Which.bat for windows command shell
In linux, the which command is to search for executables in the given $PATH variables. In windows, the which command can be easily created simply a few lines of …
Codeforces: A. Football
The problem is from codeforces: http://www.codeforces.com/problemset/problem/96/A The problem is another easy one. It asks you to check if there are more than 7 players that belong to the same …
Copy by reference or value in Python
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, …
Codeforces: B. Permutation
May 23, 2012
beginner, codeforces, data structure, greedy algorithm, implementation, math, python, technical
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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 …
The ‘any’ keyword in Python
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 …
The github experience
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 …