2023年5月9日
「USACO2016JAN」Subsequences Summing to Sevens
摘要： [USACO16JAN]Subsequences Summing to Sevens S 题目描述 Farmer John's $N$ cows are standing in a row, as they have a tendency to do from time to time. Each 阅读全文
posted @ 2023-05-09 20:33 Momo·Trace 阅读(36) 评论(0) 推荐(0) 编辑