摘要:
Boxes in a LineYou have n boxes in a line on the table numbered 1 . . . n from left to right. Your task is to simulate 4kinds of commands:? 1 X Y : mo... 阅读全文
摘要:
Problem BBroken Keyboard (a.k.a. Beiju Text)You're typing a long text with a broken keyboard. Well it's not so badly broken. The only problem with the... 阅读全文
摘要:
B. Painting Pebblestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are n piles of pebbles o... 阅读全文