P174 来自知识的礼物

    ID: 174 Type: Default 1000ms 256MiB Tried: 47 Accepted: 6 Difficulty: 8 Uploaded By: Tags>数据结构并查集图论关系处理2023ICPC济南

来自知识的礼物

题目描述

在学习完由理查德·彭和桑托什·文帕拉编写的论文《Solving Sparse Linear Systems Faster than Matrix Multiplicat

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