node.js (http://nodejs.org) starts to gain its popularity these days. It is a Javascript-based event-driven, non-blocking IO, lightweight Server side toolkit, which can be easily used to build e.g. web …
This problem is from codeforces: http://www.codeforces.com/problemset/problem/268/A This is a simple math problem. Almost every solution needs to store the colours of home and away. Counting the occurrences that the home colour …
PIBAS is simple, it only has 2 possible operations: string assignment (e.g. A=’abc’) and printing (e.g. ?A). It supports only one function which is similar to the substr in Javascript …
January 24, 2013
algorithms, beginner, brute force, codeforces, greedy algorithm, implementation, math, programming languages, python, search, simulation, tricks
The problem is from codeforces: http://www.codeforces.com/contest/265/problem/B This problem is not difficult, but it took me nearly 1:30 hr to get it right during the contest. I thought at first, the …
The problem is from codeforces: http://codeforces.com/contest/265/problem/A This is a pure simulation problem, no difficulty at all. If the current instruction matches the colour on the current stone, move one position …
This problem is from codeforces: http://www.codeforces.com/problemset/problem/263/D This is a graph-related problem but it took me days to get it right. First i made a mistake in using Python language, see …