2020年7月27日
2020 MULTI-UNIVERSITY TRAINING CONTEST 2 Problem A (并查集)
摘要： ##题面 Problem Description There are n cities and m bidirectional roads in Byteland. These cities are labeled by 1,2,…,n, the brightness of the i-th cit 阅读全文
posted @ 2020-07-27 00:05 Luglucky 阅读(137) 评论(0) 推荐(0) 编辑