Can anyone give me more detail proof of why the answer to the problem is always summation of min(S[v], 2*k - S[v]).
The editorial is not clear.
Proof of solution of Problem 700B connecting universities?
Can anyone give me more detail proof of why the answer to the problem is always summation of min(S[v], 2*k - S[v]).
The editorial is not clear.
Rev. | Язык | Кто | Когда | Δ | Комментарий | |
---|---|---|---|---|---|---|
en3 | spirited_away_ | 2019-08-30 03:05:56 | 68 | |||
en2 | spirited_away_ | 2019-08-30 03:05:01 | 2 | |||
en1 | spirited_away_ | 2019-08-30 03:04:45 | 249 | Initial revision (published) |