~~怎么啥题都加强数据呀~~
by 素质玩家孙1超 @ 2020-11-06 06:42:05
~~怎么啥题都加强数据呀~~
by 傅天宇 @ 2020-11-06 07:11:16
~~怎么啥题都加强数据呀~~
by jiangtaizhe001 @ 2020-11-06 07:30:34
那就来一组吧（脚造数据）:
input:
```
4 3
1 4 1
1 3 1
3 4 1
```
output:
```
orz
```
by jiangtaizhe001 @ 2020-11-06 07:33:00
@[yuzh0816](/user/74430) 就橙题，还加强数据……
by FutureThx @ 2020-11-06 07:46:11
这破题真的至于？
by _Album_ @ 2020-11-06 08:03:40