2018年8月4日
8 4 第三场团队赛
摘要： Natasha is going to fly to Mars. She needs to build a rocket, which consists of several stages in some order. Each of the stages is de... 阅读全文
posted @ 2018-08-04 21:19 ～～zcy 阅读(138) 评论(0) 推荐(0)
8 3 个人赛
摘要： cOne day Alex was creating a contest about his friends, but accidentally deleted it. Fortunately, all the problems were saved, but now... 阅读全文
posted @ 2018-08-04 11:07 ～～zcy 阅读(109) 评论(0) 推荐(0)