{"description":"https://atcoder.jp/contests/abc394/tasks/abc394_e\u59cb\u70b9\u3068\u7d42\u70b9\u306e\u4e21\u5074\u304b\u3089\u9032\u3081\u3070\u3044\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u5165\u529b\u4f8b1\u306e0\u21d23\u306a\u3089\u30010\u306e\u6b21\u306f{a: [0], b: [1]}\u30013\u306e\u524d\u306f{a:[2]}\u3067\u3059\u304c\u3001b\u306f\u7d42\u70b9\u304b\u3089\u306f\u306a\u3044\u306e\u3067a\u306e([0], [2])\u306e\u30da\u30a2\u3060\u3051\u6b8b\u308a\u307e\u3059\u3002\u3053\u3046\u3084\u3063\u3066\u9032\u3081\u3066\u3044\u304d\u307e\u3059\u3002\u305f\u3060\u3001\u3069\u3053\u307e\u3067\u305f\u3069\u308c\u3070\u3044\u3044\u304b\u306f\u554f\u984c\u3067\u3059\u3002after contest\u304c\u3069\u3046\u3057\u3066\u3082\u901a\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002 // Palindromic Shortest Path #![allow(non_snake_case)] use std::collections::{HashSet, H\u2026","title":"AtCoder Beginner Contest 394 E","image_url":null,"blog_title":"inamori\u2019s diary","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F2025%2F03%2F01%2F221118\" title=\"AtCoder Beginner Contest 394 E - 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>","author_url":"https://blog.hatena.ne.jp/inamori/","width":"100%","blog_url":"https://inamori.hateblo.jp/","version":"1.0","type":"rich","author_name":"inamori","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","height":"190","url":"https://inamori.hateblo.jp/entry/2025/03/01/221118","published":"2025-03-01 22:11:18","categories":[]}