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authorAnthony Wang2021-01-12 15:32:56 -0600
committerAnthony Wang2021-01-12 15:32:56 -0600
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parent0c58101659312a0865950d592258c8f6fa2afb84 (diff)
arc111_e
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- arc108_f: First consider the diameter which is pretty obvious, then look at the case where it is colored two different colors; then you only have to consider distances to the two endpoints
- arc111_d: First direct the edges that are easy to direct, basically c_u < c_v, so the edge must go from v to u; then the problem reduces down to creating strongly connected components, which you can do using a DFS tree
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+- arc111_e: Answer is basically the sum of some floors