2015 (source code)
= 2015
{scope}
{title2=A13757W1}
{title2=A5}
Source paper: https://www.whatdotheyknow.com/request/ba_computer_science_past_papers/response/2577745/attach/2/202402%20183%20CS%20Papers.zip?cookie_passthrough=1[released examination archive], member `2014/T/a13757w1.pdf`. The original cover dates the examination to \b[24 June 2015], 9.30am to 11.00am. The folder name is not the examination year.
The complete three-page replacement is in https://www.whatdotheyknow.com/request/maths_papers_2/response/1850333/attach/3/FOI%2020210708%201%20Data.zip?cookie_passthrough=1[the Mathematics Part A FOI release], member `FOI-20210708-1 - Data/a13757w1 (5).pdf`. Its intact pages 2–3 establish the complete three-question tree. The answers below replace the provisional fragments with full solutions to all 23 verified leaves, including the previously unavailable simplicial-complex and surface-classification material. The original archive link above is retained for provenance.
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