2017年10月13日
657. Judge Route Circle
摘要： Initially, there is a Robot at position (0, 0). Given a sequence of its moves, judge if this robot makes a circle, which means it moves back to the or 阅读全文
posted @ 2017-10-13 17:36 __Meng 阅读(149) 评论(0) 推荐(0) 编辑