摘要：
B. Frodo and pillows time limit per test:1 second memory limit per test:256 megabytes input:standard input output:standard output n hobbits are planni 阅读全文
摘要：
A. Petr and a calendar time limit per test:2 seconds memory limit per test:256 megabytes input:standard input output:standard output A. Petr and a cal 阅读全文