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Discussion of Problem 1280. Topological Sorting

To admins: there is an error in test cases
Posted by ivzh 13 May 2020 22:45
Hi!

Could you please check the next test case:

```
3 2
1 2
1 3
3 1 2
```

result should be `no`, but 4 my case i have `yes`. Despite this i had AC.

Thanks in advance!

Edited by author 13.05.2020 22:47

Edited by author 13.05.2020 22:47