极限压缩

每日压缩~

#include<bits/stdc++.h>
using namespace std;
int lcm(int x,int y){return x/__gcd(x,y)*y;}
int main(){int a,b;cin>>a>>b;cout<<"GCD="<<__gcd(a,b)<<endl;cout<<"LCM="<<lcm(a,b)<<endl; }

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