toy train 速记口诀学以致用是什么意思
Toy Train
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Alice received a t of Toy Train? from Bob. It consists of one train and a connected railway network of nn stations, enumerated from 11through nn. The train occupies one station at a time and travels around the network of stations in a circular manner. More precily, the immediate station that the train will visit after station It takes the train 11 cond to travel to its next station as described.
Bob gave Alice a fun task before he left: to deliver mm candies that are initially at some stations to their independent destinations using the train. The candies are enumerated from 11 through mm. Candy ii , now at station aiai, should be delivered to station bibi
The blue numbers on the candies correspond to bibi values. The image corresponds to the 11-st example.
The train has infinite capacity, and it is possible to load off any number of candies at a station. However, only at most one candy can be loaded from a station onto the train before it leaves the station. You can choo any candy at this station. The time it takes to move the candies is negligible.
Now, Alice wonders how much time is needed for the train to deliver all candies. Your task is to find, for each station, the minimum time the train would need to deliver all the candies were it to start from there.
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爱你不是我的错Last time I tried to asmble a toy train for my son and I almost gave up.
