09 2019 档案

摘要：E. Tourism time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output E. Tourism time limit per tes 阅读全文

摘要：E. Middle-Out time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output E. Middle-Out time limit p 阅读全文

摘要：题目： In Complexity theory, some functions are nearly O(1)O(1), but it is greater then O(1)O(1). For example, the complexity of a typical disjoint set i 阅读全文