一个运行时间超长的题解

#include <iostream>
using namespace std;
int main(){
int a,b,c,d,e,f,g,h,i;
cin>>a>>b>>c>>d>>e>>f>>g>>h>>i;
cout<<a<<" "<<b<<" "<<c<<endl;
cout<<d<<" "<<e<<" "<<f<<endl;
cout<<g<<" "<<h<<" "<<i;
return 0;
}