摘要： D. Office Keys time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output There are n people and k  阅读全文

摘要： C. Jury Marks time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Polycarp watched TV-show w 阅读全文

摘要： B. Keyboard Layouts time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There are two popular 阅读全文

摘要： A. Unimodal Array time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Unimodal Array time 阅读全文