k|m的含义就是m能被k整除
记忆方法：gcd(a,b)–>gcd(b,a)–>gcd(b,a%b)
参考资料 https://www.cnblogs.com/ider/archive/2010/11/16/gcd_euclid.html#:~:text=gcd%E7%9A%84Euclid%E7%AE%97%E6%B3%95%E8%AF%81%E6%98%8E%EF%BC%9A%20%E5%91%BD%E9%A2%98%EF%BC%9A%E5%AF%B9%E4%BB%BB%E6%84%8F%20m%2C%20n%20%E2%88%88%20N%EF%BC%8C%E8%AF%81%E6%98%8Egcd,%28m%2Cn%29%20%3D%20gcd%20%28n%2C%20m%20mod%20n%29
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2022-04-26 12:59:43
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