功能
用到的觀念
CODE
#include<iostream>//header file
#include<iomanip>
#include<cmath>
using namespace std;
using std::setw;
using std::fixed;
using std::setprecision;
#include<string>
using std::string;
using std::getline;
int hcf(int, int);
int main()
{
int a ,b,t,ch;
cout<<"enter 0 and exit ";
while(1)
{
cout<<"enter two number"<<endl;
cin>>a>>b;
if(a==0||b==0)
break;
if(a<b)
{
t=a;
a=b;
b=t;
}
cout<<"HCF "<<hcf(a,b)<<endl;
cout<<"lowest common multiple "<<a*b/hcf(a,b)<<endl;
}
system("pause");
return 0;
}
int hcf(int a, int b)
{
int temp;
while(temp!=0)
{
temp=a%b;
a=b;
b=temp;
}
return a;
}
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