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海明码（Hamming code）

https://www.bilibili.com/video/BV1SJ41157pR?spm_id_from=333.337.search-card.all.click#/

https://www.cnblogs.com/godoforange/p/12003676.html#/

遇到这种题，做题练一下

CRC校验法（循环冗余校验 Cyclic Redundancy Check）

https://seedeer.github.io/2022/03/20/crc/#/

https://www.bilibili.com/video/BV1rJ411V7L5?spm_id_from=333.337.search-card.all.click#/