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 …
Codeforces: A. Next Round
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. …
Codeforces: A. String Task
May 21, 2012
algorithms, beginner, codeforces, implementation, programming languages, python, string
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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 …
Codeforces: C. Cd and pwd commands
May 20, 2012
algorithms, beginner, code, codeforces, data structure, implementation, programming languages, python, string, technical
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The problem is from codeforces: http://www.codeforces.com/problemset/problem/158/C Using a stack will help solve this problem. Luckly, python supports stack structure by using list. The append() and pop() are used to …
Codeforces: A. Watermelon
May 20, 2012
beginner, implementation, math, non-technical, programming languages, python, tricks
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The problem is from codeforces: http://www.codeforces.com/problemset/problem/4/A The problem is so easy that you might even falls into the trap (you might think judging if it is even or odd). …
Codeforces: B. Sum of Digits
May 20, 2012
algorithms, beginner, brute force, codeforces, implementation, math, programming languages, python
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The problem is from codeforces: http://www.codeforces.com/problemset/problem/102/B The input can be very large, you might wonder to use long arithmetic via arrays. However, it might be easier than you think. …