杭电ACM1019求最大公约数
最后更新于:2022-04-01 09:47:31
~~~
#include<iostream>
using namespace std;
int main()
{
int gcd(int a,int b);
int n,m,a;
cin>>n;
while(n--)
{
cin>>m;
cin>>a;
m--;
while (m--)
{ int b;
cin>>b;
int k=gcd(a,b);
a=b/k*a;
}
cout<<a<<endl;
}
return 0;
}
int gcd(int a,int b)
{
int r=1;
while (r>0)
{
r=a%b;
a=b;
b=r;
}
return a;
}
~~~