algorithm_study
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algorithms and data structures for coding contest (designed for 'copy & paste')
https://www.geeksforgeeks.org/karps-minimum-mean-average-weight-cycle-algorithm/
https://codeforces.com/contest/266/problem/D (graph 1-center) https://codeforces.com/contest/70/problem/E (tree p-center)
https://stackoverflow.com/questions/1621364/how-to-find-largest-triangle-in-convex-hull-aside-from-brute-force-search https://codeforces.com/blog/entry/52341
https://en.wikipedia.org/wiki/Bresenham%27s_line_algorithm
https://github.com/kth-competitive-programming/kactl/blob/master/content/geometry/ClosestPair.h https://github.com/mfornet/campamento-colombia-2017/blob/master/geometry/closest_pair_points.cpp
https://habr.com/ru/post/359272/ https://community.topcoder.com/stat?c=problem_solution&rm=324251&rd=16188&pm=13440&cr=22689544 (via Characteristic polynomial https://en.wikipedia.org/wiki/Characteristic_polynomial)
https://en.wikipedia.org/wiki/Exact_cover https://github.com/indy256/codelibrary-sandbox/blob/master/cpp/dlinks.cpp
https://github.com/dacin21/dacin21_codebook/blob/master/dfs_stuff/graph_isomorphism.cpp
https://cp-algorithms.com/graph/bridge-searching-online.html http://e-maxx.ru/algo/bridge_searching_online https://github.com/dacin21/dacin21_codebook/blob/master/dfs_stuff/dynamic_bridges.cpp https://github.com/dacin21/dacin21_codebook/blob/master/trees/dynamic_biconnectivity_lct.cpp