摘要： B. Combinationtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIlya plays a card game by the following rules.A player has several cards. Each card contains two non-negative integers inscribed, one at the top of the card and one at the bottom. At t 阅读全文

摘要： A. I_love_%username%time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputVasya adores sport programming. He can't write programs but he loves to watch the contests' progress. Vasya even has a favorite coder and Vasya pays special attention to 阅读全文