2017年8月9日
台州 OJ 2378 Tug of War
摘要： 描述 A tug of war is to be arranged at the local office picnic. For the tug of war, the picnickers must be divided into two teams. Each person must be o 阅读全文
posted @ 2017-08-09 13:36 淡蓝色光 阅读(201) 评论(0) 推荐(0) 编辑