Author: ACMer

In reality, many applications can be represented as Knapsack problems. The knapsack problem is one of the most classic combinatics mathematics problems. The knapscak problems are of serveral types. …

The problem is from codeforces: http://www.codeforces.com/problemset/problem/1/B The implementation may not be so easy without Regual Expressions. The core idea is to provide conversion between base 10 and base 26. For …

Hint: Considering adding the gray triangles … Hint: Considering adding the gray rectangles … –EOF (The Ultimate Computing & Technology Blog) — 76 words The Permanent URL is: Proof …

Unlike Delphi, the string in C# is type of object. Therefore, you can reference the Length property to obtain the length of the string. However, when null value is …

The problem is from codeforces: http://www.codeforces.com/problemset/problem/239/A It is a simple math problem: finding the numbers x that satisify where y, k, and n are given;