0分！

#include<iostream>
#include<cstring>
using namespace std;
struct u
{
    string s;
    int a,b,c;
};
u x[100000];
int main()
{
    int n;
    cin>>n;
    for(int i=1;i<=n;i++)
    cin>>x[i].s>>x[i].a>>x[i].b>>x[i].c;
    for(int i=1;i<n;i++)
    {
        for(int j=i+1;j<=n;j++)
        {
            if(abs(x[i].a-x[j].a)<=5&&abs(x[i].b-x[j].b)<=5&&abs(x[i].c-x[j].c)<=
			5&&abs(x[i].a+x[i].b+x[i].c-x[j].a-x[i].b-x[i].c)<=10)
            {
                cout<<x[i].s<<" "<<x[j].s<<endl;
            }
        }
    }
    return 0;
}