代码

#include<bits/stdc++.h>
using namespace std;

#define N 10009
int gcd(int x,int y)
{
	if(x%y==0) return y;
	return gcd(y,x%y);
}

int main()
{
	auto start = chrono::system_clock::now().time_since_epoch().count();
	int ans=0,ansm=0,ansn=0;
	for(int i=1;i<=N;i++)
	{
		for(int j=i;j<=N;j++)
		{
			if(gcd(i,j)==1)
			{
				if(gcd(2024*i+j,2024*j+i)>ans)
				{
					ans = gcd(2024*i+j,2024*j+i);
					ansm = i;
					ansn = j;
				}
			}
		}
	}
	auto duration = chrono::system_clock::now().time_since_epoch().count()-start;
	printf("%d %d %d %d %d\n",ans,ansm,ansn,2024*ansm+ansn,2024*ansn+ansm);
	cout<<"time="<<duration/1e9<<"s"<<endl;
	return 0;
}