`<=5` 放在括号外面
by lzm0107 @ 2024-02-06 15:32:39
```c
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
struct student
{
char name[10];
int a,b,c;
int sum;
}stu[1005];
int main()
{
int n;
scanf("%d", &n );
// 录入数据;
for ( int i = 0; i < n; i++ ) {
scanf("%s %d %d %d", stu[i].name, &stu[i].a, &stu[i].b, &stu[i].c );
stu[i].sum = stu[i].a + stu[i].b + stu[i].c;
}
for ( int i = 0; i < n; i++ ) {
for ( int j = i+1; j < n; j++ ) {
if ( abs(stu[i].a - stu[j].a) <= 5 && abs(stu[i].b - stu[j].b ) <= 5 && abs(stu[i].c - stu[j].c ) <= 5 && abs(stu[i].sum - stu[j].sum ) <= 10 ) {
if ( strcmp(stu[i].name,stu[j].name) < 0 ) {
printf("%s %s\n", stu[i].name, stu[j].name );
} else {
printf("%s %s\n", stu[j].name, stu[i].name );
}
}
}
}
return 0;
}
```
by lzm0107 @ 2024-02-06 15:33:30
@[lv123123](/user/1260096)
by lzm0107 @ 2024-02-06 15:33:45
@[lzm0107](/user/555994)
谢谢大佬！看了好久- -
by lv123123 @ 2024-02-06 15:40:23
@[lzm0107](/user/555994)
```
if ( strcmp(stu[i].name,stu[j].name) < 0 ) {
printf("%s %s\n", stu[i].name, stu[j].name );
```
能告诉我这是干什么吗？
by zrj2012 @ 2024-03-30 15:21:08
@[zrj2012](/user/1277913)
> 输出时也应该按照字典序输出所有对手组合。
by lzm0107 @ 2024-03-30 15:23:24
@[lzm0107](/user/555994) 哦，谢谢
by zrj2012 @ 2024-03-30 15:29:50