pebble8888 https://blog.hatena.ne.jp/pebble8888/ Pebble Coding https://pebble8888.hatenablog.com/ 整数論 pythonの再帰で実装したもの import sys def egcd(a, b): """return (g, x, y) such that a*x + b*y = g = gcd(a, b)""" if a == 0: return (b, 0, 1) else: g, x, y = egcd(b % a, a) return (g, y - (b // a) * x, x) rustではタプルが使えるので、同じアルゴリズムでいけます。 Algorithm Implementation/Mathematics/Extended Euclidean algorithm - Wikiboo… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpebble8888.hatenablog.com%2Fentry%2F2019%2F08%2F15%2F163326" title="拡張ユークリッドの互除法 - Pebble Coding" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://chart.apis.google.com/chart?cht=tx&chl=%20l_1%2C%20l_2 Hatena Blog https://hatena.blog 2019-08-15 16:33:26 rich https://pebble8888.hatenablog.com/entry/2019/08/15/163326 1.0 100%