Uploaded January 2020 | Updated September 2026, 2 days ago

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Post-Contest discussion stream for CodeChef January Lunchtime 2020
Most people got the first 2 problems of Div. 2, so I didn't explain them. The solutions should be self-explanatory.
STFOOD:
codechef.com/viewsolution/29183833
BFRIEND:
codechef.com/viewsolution/29184248
POPTUNNL: 02:03
codechef.com/viewsolution/29155473
CARR: 04:58
hackerearth.com/practice/notes/matrix-exponentiation-1
codechef.com/viewsolution/29154748
PAPER: 12:03
cp-algorithms.com/geometry/nearest_points.html
codechef.com/viewsolution/29167632
MINMAXIN: 18:18
codechef.com/viewsolution/29173530
CCDSAP 26:07
codeforces.com/blog/entry/47821
codechef.com/viewsolution/29182923

Screencast during the contest: youtube.com/watch?v=jQHY_0vi8Oc
Comments, questions, requests, criticism, are all welcome!