lanqiao 19711 宝石组合

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2025-04-08 17:24:38 +08:00
parent 6bc0727b8b
commit cb3ab139da

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@@ -5,8 +5,8 @@ using namespace std;
解析:
唯一分解定理:
任何一个大于1的自然数N如果N不是质数那么N可以唯一分解成有限个质数的乘积
N1=p1^a1*p2^a2*...*pn^an
N2=p1^b1*p2^b2*...*pn^bn
N1 = p1^a1*p2^a2*...*pn^an
N2 = p1^b1*p2^b2*...*pn^bn
则gcd(N1, N2)=p1^min(a1, b1)*p2^min(a2, b2)*... *pn^min(an, bn)
则lcm(N1, N2)=p1^max(a1, b1)*p2^max(a2, b2)*...*pn^max(an, bn)
假设Ha,HbHc相同质因子的幂次分别为x,y,z则题目中的表达式等价于