2018年8月21日
ICPC2017 Urumqi - K - Sum of the Line
摘要： 题目描述 Consider a triangle of integers, denoted by T. The value at (r, c) is denoted by Tr,c , where 1 ≤ r and 1 ≤ c ≤ r. If the greatest common divisor 阅读全文
posted @ 2018-08-21 20:54 特特w 阅读(399) 评论(0) 推荐(0) 编辑