@[midsummer_zyl](/user/1025321)
```cpp
#include <bits/stdc++.h>
using namespace std;
struct stu {
string name;
int Chinese;
int Math;
int English;
} a[100010];
int main() {
int n;
cin >> n;
for (int i = 1; i <= n; i++)
cin >> a[i].name >> a[i].Chinese >> a[i].Math >> a[i].English;
for (int i = 1; i < n; i++) {
for (int j = i + 1; j <= n; j++) {
int s1 = a[i].Chinese - a[j].Chinese;
int s2 = a[i].Math - a[j].Math;
int s3 = a[i].English - a[j].English;
int s4 = s1 + s2 + s3;
if(abs(s1) <= 5 && abs(s2) <= 5 && abs(s3) <= 5 && abs(s4) <= 10)
// if(a[i].name > a[j].name)
// cout << a[j].name << " " << a[i].name << endl;
// else
cout << a[i].name << " " << a[j].name << endl;
}
}
return 0;
}
```
改成这样， [AC](https://www.luogu.com.cn/record/117085664) 了
by zhangyuanxiao @ 2023-07-23 17:19:02
@[zhangyuanxiao](/user/597089)
谢谢，已关！
by midsummer_zyl @ 2023-07-23 17:32:44