王奕诺 • 2个月前
#include<iostream> // cin\cout\endl
#include<cstdio> //scanf()\printf()
#include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset()
#include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min()
using namespace std;
int main(){
int a,b,c;
cin>>a>>b;
while(b!=0)
{
c=a%b;
a=b;
b=c;
}
cout<<a;
}
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