Category: math
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 …
The problem is from codeforces http://www.codeforces.com/problemset/problem/158/B Solution is easy: First you need to sort the group numbers in desending order. You create two index pointers, pointing to the start …
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, …
May 15, 2012
algorithms, beginner, brute force, code, code library, codeforces, implementation, math, programming languages, python, tricks
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 …