@[Kevin_FOS](/user/299883) 懂了，感谢
by benghuai @ 2021-01-22 11:06:50
@[benghuai](/user/473884) 建议`max`,`min`,`sort`之类排序，不然您这样要考虑的东西太多容易漏
```cpp
if(b <= a && b <= c && c >= a){
a ^= c;c ^= a;a ^= c;
}
if(b >= a && a >= c){
a ^= b;b ^= a;a ^= b;
}
```
这两种情况也得考虑
by 霜羽 @ 2021-01-22 11:08:36