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). …
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. …
Computing PI can be dated back long long time ago, where without the help of computer, mathematicans can only compute several digts i.e. 15 in months. Later, in 20 …
The method of Monte Carlo (MC) relies on repeated random sampling. It is often used in computing simulations. For example, to compute the PI value, one can generate as many …
May 19, 2012
beginner, brute force, code, code library, codeforces, implementation, math, programming languages, python, tricks
The problem is from codeforces http://www.codeforces.com/problemset/problem/82/A This is interesting because it seems like those guys thing: acting strange. This problem can be transformed into the following: 12345 1122334455 11112222333344445555 …
Well, I think PHP is great, but apparently somebody thinks that it is replacble in most cases if it is not with MySQL Many online judges support PHP submissions. …