This is a series of programming challenges for beginners and experienced Caché programmers.
For an introduction : go to article https://community.intersystems.com/post/advent-code-2016-day1-no-time-t…
The challenge of day 21 is about scrambling passwords.
There are a few functions you need to implement that will do operations on a string :
- swap position X with position Yswap letter X with letter Y
Given the instructions in your puzzle input (look for a full explanation to http://adventofcode.com/2016/day/21), what's the scrambled version of the initial string abcdefgh ?
this error remain after restart Caché service

