The idea is to get to the destination by skipping many stations in a fast way, getting close to the destination, and then stopping at each station to get there.

- [[skip list]]
- ![image](https://gyazo.com/e71ffd109eaca05d5815a61c41a65ce8/thumb/1000)
- [https://ja.m.wikipedia.org/wiki/ć‚¹ć‚­ćƒƒćƒ—ćƒŖć‚¹ćƒˆ](https://ja.m.wikipedia.org/wiki/ć‚¹ć‚­ćƒƒćƒ—ćƒŖć‚¹ćƒˆ)
- [[concise bit vector]]
- [[square partitioning]]

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