[C] bit 연산

https://hwanseok-dev.github.io/algorithm-theory/backend/bit/#n--1-b [이론] 쉽게 정리한 bit 연산 Consistency makes genius hwanseok-dev.github.io https://hwanseok-dev.github.io/algorithm-theory/backend/xor/ [이론] 쉽게 정리한 xor Consistency makes genius hwanseok-dev.github.io