Category: string

PHP Provides str_rot13 function to rotate alphabetic characters by 13 places. However, there is no str_rot47 function to rotate 47 places over a larger mapping table. The following is …

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 …

Previously, I have programmed some scripts in Windows Batch, and these can be found in the github. For example, the rot13.bat rotates given input string (command line parameters) to …

Rot13 and Rot5 are two ASCII rotation scheme that are made for alphabetic and digits respectively. The Rot13, namely, rotates the letter by 13 places, ‘A’ to ‘N’, ‘B’ …

If you have something that are not so important but prefer not so easy to read at first except to you. You can simply reverse the text. For example, …