fun - Tricks Tips Templates
Role
cp4cpp.com/fun collects tricks, tips, templates, small transforms, and contest shortcuts.
It is useful when a learner already understands the core topic and wants the small idea that saves time, avoids a trap, or makes an implementation cleaner.
Z function preview
Z/Pi conversion preview
Problem-specific template preview
General-purpose template preview
Purpose
- Collect clever observations, contest hacks, micro-optimizations, and elegant implementation ideas.
- Highlight memorable transforms, one-liners, and small techniques that save time in practice.
- Keep minimal readable templates and implementations for fast contest review.
Lineage
| Project | Meaning | Time | Form |
|---|---|---|---|
| FUNC | Fast and Useful Notes for Competitions | Sep 2021 | Discord |
| SPOG | SPyofgame’s Personal Optimization Guidebook | Jan 2020 | Markdown |
| TEMP | Templated Efficient Math Preparations | Jun 2022 | LaTeX / Overleaf |
Reference
| Short | Project | Use |
|---|---|---|
| BITHACK | Bit Twiddling Hacks | Known bit manipulation techniques and integer tricks. |
Learning Style
Leaf-like learning: users visit niche branches as specific leaves that depend on core knowledge.
Strengths To Preserve
- Good ideas are hard to rediscover without strong indexing.
- Small tricks often lack a standard name, so curated naming matters.
Weaknesses To Fix
- Many sites become noisy blog piles.
- Context is often missing, so people reuse a trick in the wrong setting.
- One-liners without explanation become hard to trust.