This is a series of programming challenges for beginners and experienced Caché programmers.
For an introduction : goto to article https://community.intersystems.com/post/advent-code-2016-day1-no-time-ta...
The challenge of day 5 is to calculate a password of 8 characters by finding the MD5 hash of the input and an increasing integer index.
The password is constructed by taking the 6th character of the first 8 hashes that start with 5 zeroes (in hex representation).