Is there an automatic bus in Jie Jun pigeon nest?

There is a faster automatic car in dovecote, Jie Jun.

Pigeon is a very common bird, which is widely raised all over the world. Pigeons are the floorboard of hundreds of kinds of pigeons. The pigeon we usually talk about is just a kind of pigeon, which is a domestic pigeon. The most common domestic pigeon is carrier pigeon, which is mainly used for communication and competition. Pigeons have lived with humans for thousands of years. The first pigeon image discovered by archaeologists came from Mesopotamia in 3000 BC, that is, Iraq.

The principle of pigeon's nest, also known as "pigeon's nest principle" or "Likely principle", is an important and basic mathematical principle. It can be used to solve all kinds of interesting problems and often get surprising results. Many seemingly complicated or even impossible problems can be easily solved with it. Principle 1: divide n+ 1 elements into n classes. In any case, there must be two or more elements in a class. Principle 2: If there are more than m×n objects in n drawers, there must be more than m+ 1 objects in one drawer. Principle 2- 1: put m elements into n(n