Tag: implementation
The problem is from codeforces: http://codeforces.com/problemset/problem/245/A A really simple math problem, can be solved within a few lines of Python code: #!/usr/bin/env python ax = asum = 0 bx = …
Quick Sort is a comparison sorting method, on average, the complexity is . In worst cases, e.g. when the array of elements are already sorted, it is degraded into …
The problem is from codeforces: http://www.codeforces.com/problemset/problem/245/B It is an easy string-matching related problem. You can have many ways to solve this. Because of the limitation, i.e. the first letter must …
In , two equations are used and compare the efficiency of computation of the math constant . The following are some commonly-used equations to compute the We pick the …
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 …
