30-day review index
Start with the compressed cheatsheet, then jump into a template only when recall is weak.
Pattern-first interview review
Algorithm
Pattern Atlas
把算法题压缩成可迁移、可复习的模板系统。A bilingual knowledge base for recognizing constraints, selecting patterns, proving correctness, and reviewing efficiently.
69reusable solution templates / 解法模板
12 × 2interactive graph views / 双语图谱
MD + HTMLsource notes and visual editions / 双格式
Knowledge base
Recognition signals, invariants, implementation skeletons, edge cases, and transfer rules.
Learning graphs
Selection, prerequisites, complexity, modeling transformations, proof obligations, error invariants, and more.
Template collection
Browse all reusable templates with fuzzy search, Family filters, sorting, cards, and paginated tables.