摘要: Problem "pdf" Description You are given n rods of length 1, 2, . . . , n. You have to pick any 3 of them and build a triangle. How many distinct trian 阅读全文
posted @ 2018-08-05 18:46 cj_gjh 阅读(133) 评论(0) 推荐(0) 编辑