带娃走路、玩迷宫,就是最好的算法启蒙
Update: 2025-05-28
Description
什么是算法?
算法,简单来说就是做事情的方法。它不一定涉及数学或科学,它只是一步一步完成某件事的指令。
日常生活中的例子:
- 煮鸡蛋的算法:
- 把鸡蛋打开放进锅里;
- 把火开到最大;
- 用勺子轻轻摇晃鸡蛋;
- 晃动锅子;
- 最后把鸡蛋捞出来放进碗里,大功告成!
- 从家到学校的算法:
- 先出门;
- 向右走,大概走500米;
- 再左转,走200米;
- 最后右转,走300米,就到学校了。
- 从后院到教室的算法:
- 直接穿过操场,经过篮球场,就走到了,非常简单。
所以你看,算法有时候真的非常简单,甚至是你每天都在做、没意识到的事情。
生活中的著名算法:
- GPS 导航:
- 比如你想从家里去迪士尼乐园。
- GPS 会用算法帮你找到最短路径,它会列出所有可能的路线,然后进行比较。
- 有些算法特别适用于网格状地图,比如“方块计数算法(block counting)”。
- 迷宫解法:
- 路线A:9格
- 路线B:5格 → 当然选B啦!
- 迷宫就像一个网格,所以你可以数格子:
- 相比真实地图,迷宫的结构更规则,所以更容易设计算法解决。
- 滑块游戏(比如中国的华容道):
- 游戏目标是把最大的块滑出出口;
- 你得移动其他小块给它让路;
- 每一局都有解,电脑也可以解;
- 解法就是算法的结果,可能很复杂,但一定存在。
游戏中的算法:
- Hack and Bush 游戏:
- 玩家和电脑对战;
- 可以设置电脑的速度和强度;
- 如果电脑太强,它每步可能都要等20多分钟才能行动;
- 所以你得选择一个“刚刚好”的算法配置——别太慢,也别太强。
最后的总结:
算法其实无处不在——从煮蛋到走路,从导航到游戏AI,它们可以是:
- 简单的(像煮鸡蛋那样),
- 结构化的(像解迷宫),
- 复杂的(像Google地图导航或高级AI)。
你不需要会编程,也可以理解算法。试着把你每天的生活步骤想象成“算法”,然后和你的家人一起聊一聊,可能会有趣得多!
What is an Algorithm?
An algorithm is basically just a way of doing things. It doesn’t have to involve math or science — it’s simply a set of step-by-step instructions to solve a problem or complete a task.
Everyday Examples:
- Boiling an egg:
- Crack the egg.
- Put it in a pan.
- Turn the fire to high.
- Rock the egg with a spoon.
- Shake the pan.
- Put the egg in a bowl. Done!
- Going from home to school:
- Go outside.
- Turn right, walk 500 meters.
- Turn left, walk 200 meters.
- Turn right, walk 300 meters. You’re there.
- Getting from the backyard to the portable:
- Just walk straight across the field, past the basketball courts. Simple.
So as you can see, algorithms can be very simple, even things you do every day without realizing.
Famous Algorithms in Real Life:
- GPS Navigation:
- Say you're trying to find the shortest route from your home to Disneyland.
- GPS systems use algorithms to figure this out — like listing all the roads and comparing paths.
- Some algorithms work well in grids (like mazes), such as block counting.
- Maze Solving:
- Route A: 9 blocks
- Route B: 5 blocks → Choose B!
- A maze is like a grid, so you can just count steps:
- Maze-solving is often easier than GPS because it's more structured.
- Sliding Block Puzzle (like the Chinese game 华容道 / Huarong Dao):
- The goal is to slide blocks around to free a big block.
- There’s always a solution — and finding it requires an algorithm.
- Computers can solve it too, using logic and step-by-step strategies.
Game Algorithms:
- Hack and Bush:
- It's a game where you battle the computer.
- You can adjust how fast or strong the computer is.
- A stronger computer might take 20+ minutes to make a move (not fun).
- Choosing the right balance (not too fast, not too slow) is part of the algorithm design.
Final Thoughts:
Algorithms are everywhere — from cooking to walking, from Google Maps to games. They can be:
- Simple (like boiling an egg),
- Structured (like navigating a maze),
- Complex (like GPS or AI opponents in games).
You don’t need to be a programmer to understand them. Try thinking of your own daily routines as algorithms — and maybe even discuss them with your family!
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