graygoods的博客

题目描述 Farmer John has taken his cows on a trip to the city! As the sun sets, the cows gaze at the city horizon and observe the beautiful silhouettes formed by the rectangular buildings. The entire ho...

题目描述 In order to get from one of the F (1<=F<=5,0001<=F<=5,0001 1..F1..F1..F) to another field, Bessie and the rest of the herd are forced to cross near the Tree of Rotten Apples. The cow...