显然是错的啊。。。三角形是两短边之和大于第三边(ˉ▽ˉ；)...
by suyulong1212 @ 2024-01-25 18:20:35
给你一组数据，想想为什么。
```
Input:
9 4 2 1
Answer:
IMPOSSIBLE
Your Output:
TRIANGLE
```
by mywzj_mo @ 2024-01-25 18:47:50