摘要:
Several bus routes were in the city of Fishburg. None of the routes shared the same section of road, though common stops and intersections were possib 阅读全文
摘要:
A robot has been programmed to follow the instructions in its path. Instructions for the next direction the robot is to move are laid down in a grid. 阅读全文
摘要:
I - Paths on a Grid Imagine you are attending your math lesson at school. Once again, you are bored because your teacher tells things that you already 阅读全文