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Problem: The Limitations of Traditional Car Keys
In the European and American markets, physical car keys have long been a source of frustration. Whether you’re a car owner juggling bulky remotes, fobs…
目录质数
约数
欧拉函数
快速幂
扩展欧几里得算法
组合数
博弈论质数
分解质因数
一个数最小的因子一定是质数。for (int i = 2; i <= x / i; i ++ )if (x % i == 0){int s = 0;while (x % i == 0) x /= i, s ++ ;c…