{"provider_url":"https://hatena.blog","url":"https://inamori.hateblo.jp/entry/2024/08/08/213731","type":"rich","categories":[],"height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F2024%2F08%2F08%2F213731\" title=\"Mojo\u3067Project Euler 52 - inamori\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2024-08-08 21:37:31","title":"Mojo\u3067Project Euler 52","author_url":"https://blog.hatena.ne.jp/inamori/","version":"1.0","provider_name":"Hatena Blog","width":"100%","author_name":"inamori","image_url":null,"blog_title":"inamori\u2019s diary","description":"https://projecteuler.net/problem=52\u5404\u6570\u5b57\u304c\u4f55\u500b\u3042\u308b\u304b\u30924\u30d3\u30c3\u30c8\u3067\u8868\u3057\u307e\u3059\u3002 import sys #################### process #################### fn count_digits(owned n: Int) -> Int: var c = 0 while n > 0: var d = n % 10 c += 1 << (d * 4) n //= 10 return c fn f(N: Int) -> Int: for E in range(1, 11): for x in range(10**(E-1), 1\u2026","blog_url":"https://inamori.hateblo.jp/"}