摘要：
E. Cards Sorting time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vasily has a deck of car 阅读全文
摘要：
D. Office Keys time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D. Office Keys time limit 阅读全文
摘要：
E. DNA Evolution time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output Everyone knows that DNA 阅读全文
摘要：
E. Minimal Labels time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given a directe 阅读全文