Google Hashcode 2020

Alfresco Search Services solution for Google Hashcode 2020.

Strategy SHORTER_SIGNUPDAYS_MORE_BOOKS

Taking the first library having a shorter signup process and the greater books available to scan

Scoring

A – example                        21
B – read on                 5,437,900
C – incunabula              5,440,614
D – tough choices           4,412,005
E – so many books           3,208,139
F – libraries of the world  2,685,997
--------------------------------------
Total score                21,184,676

Strategy MORE_VALUABLE_LIBRARY_FIRST

Taking the library having the maximum value. This value is calculated for every Library based in the total scoring provided by the books available and adjusted by the amount of time required to produce the scoring.

Scoring

A – example                        21
B – read on                 5,437,900
C – incunabula              5,653,771
D – tough choices           4,305,015
E – so many books           1,523,129
F – libraries of the world  4,360,778
--------------------------------------
Total score                21,280,614

Combining strategies will produce 23,402,225 points in Google Hash Code Jugde System.

Note that a more refined strategy can be designed to obtain higher scores

Compiling

$ mvn clean package

Running

$ java -jar target/hashcode-2020-1.0.0.jar \
  --fileIn=in/a_example.in \
  --fileOut=a_example.out \
  --strategy=0

Available strategies:

• 0: SHORTER_SIGNUPDAYS_MORE_BOOKS
• 1: MORE_VALUABLE_LIBRARY_FIRST

Generating ZIP Source file

$ ./zip.sh

$ ls *.zip
src.zip