Codeforces: A. Sleuth
The problem is from codeforces http://www.codeforces.com/problemset/problem/49/A Just came back from Tesco, have shopped for the food next week. Feeling a bit tired, however, I enjoy solving small problems using …
Codeforces: A. Vasya and the Bus
This problem is from http://www.codeforces.com/problemset/problem/190/A It is a pure math problem. However, you have to be careful enough to consider different cases. For example, if there are no adults, …
Using COM object in Python
COM technolgy is very mature and common. It is almost everywhere in Windows platform. In order to access COM objects in Python, you probably require to install ‘Win32 extension …
First Experience in Online Contest
I have been learning Python for a short while and I like this language because it is very neat. Today, I suddenly realised there was an ongoing online contest, …
Codeforces: 131A – cAPS lOCK
This is from http://www.codeforces.com/problemset/problem/131/A The python does not allow altering string, because it seems the string is immutable. For example, if you try the following. s = "1234" s …
Codeforces: B. Jumping Jack
May 15, 2012
algorithms, beginner, brute force, code, code library, codeforces, implementation, math, programming languages, python, tricks
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The problem is from codeforces, http://www.codeforces.com/problemset/problem/11/B Jack is originally standing at zero point. He can walk left or right at an increasing step. We suppose Jack always walks towards …