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export PKG_CONFIG_PATH=/usr/lib64/pkgconfig:/usr/lib/pkgconfig | |
export PATH=/usr/bin:$PATH | |
export LDFLAGS=-L/usr/lib64:/usr/lib | |
export LD_LIBRARY_PATH=/usr/lib64:/usr/lib | |
export CPPFLAGS=-I/usr/include | |
PREFIX=/usr | |
sudo yum-config-manager --enable epel | |
sudo yum -y update && sudo yum -y upgrade |
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#!/usr/bin/env python3 | |
""" | |
Using Fermat's little theorem to calculate nCk mod m, for k < m and m is prime | |
Two versions: | |
1. Pre-Compute factorials and multiplicative inverses in O(n*logn) --> later lookup in O(1) | |
2. Compute directly --> no lookup --> each time O(n) | |
""" |