Dokicode — Late-Night LeetCode & Coding Interview Visual Novel Companion (日系 Galgame 演算法刷題養成陪伴)
Practice LeetCode every night with someone who waits for you. Dokicode combines a Japanese visual novel
(Bishoujo ADV / Galgame) companion experience with a structured 12-plan, 2,300+ problem algorithm curriculum,
4-step progressive hints (Direction, Key Idea, Approach Outline & Complexity, Edge Cases), spaced review,
and the Dokicode Chrome Extension for live LeetCode verdict reactions.
不再一個人孤單刷題。在 Dokicode 與 6 位擁有不同工程背景的專屬女主角締結深夜學習契約，從滑動視窗、二分搜尋、單調堆疊、資料結構、貪心、動態規劃到圖論，循序漸進攻克超過 2,300 道 LeetCode 演算法題目與軟體工程師技術面試。支援繁體中文、簡體中文、英文與日文介面。
6 Companion Heroines (六位專屬契約女主角)
- Rin Ayase (綾瀬 凛) — Computer Science Junior & Competitive Programmer (名門大學資工系三年級 · 大學演算法競賽選手)
- Koharu Minami (南 小春) — Startup Junior UI Designer Transitioning to Frontend Engineer (新創工作室菜鳥 UI 設計師 · 備戰轉職前端工程師)
- Fuuka Hoshino (星野 風花) — Computational Astrophysics Master's Student & Observatory Developer (計算天體物理研究所碩士生 · 老天文台觀測軟體開發者)
- Yoru Kurokawa (黒川 夜) — University Library Night Systems Administrator & Data Structures Researcher (大學圖書館夜間系統管理員 · 資料結構實驗室研究生)
- Rei Kirisaki (霧崎 怜) — Senior Cloud Distributed Systems Backend Engineer (雲端分散式系統資深後端工程師)
- Karen Saionji (西園寺 華蓮) — Quantitative Trading Matching Engine Lead (大手町量化交易撮合引擎負責人)
12 Structured Algorithm Study Plans (十二份系統化演算法題單)
- Track 1 (No Recursion): Sliding Window & Two Pointers, Binary Search, Monotonic Stack, Data Structures, Bit Manipulation, Greedy Algorithms, Mathematics, Strings & Automata
- Track 2 (With Recursion): Linked Lists, Trees & Backtracking, Grid & Matrix, Dynamic Programming, Graph Algorithms