8000 performance of comb, fact (mod_int) · Issue #1 · Suikaba/procon-lib · GitHub
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performance of comb, fact (mod_int) #1

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Suikaba opened this issue Apr 1, 2019 · 0 comments
Open

performance of comb, fact (mod_int) #1

Suikaba opened this issue Apr 1, 2019 · 0 comments
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@Suikaba
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Suikaba commented Apr 1, 2019

なぜか fact、comb が呼ばれるたびに逆元を求めており、計算量が悪い。
逆元は一度計算したらメモしておくようにする。
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