How to solve 1437D - Minimal Height Tree if the question asked to count the number of valid trees?
a variation of 1437D
How to solve 1437D - Minimal Height Tree if the question asked to count the number of valid trees?
Rev. | Язык | Кто | Когда | Δ | Комментарий | |
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en1 | stupidaftowin | 2020-10-28 15:43:31 | 106 | Initial revision (published) |