摘要： B. Find Marbletime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputPetya and Vasya are playing a game. Petya's gotnnon-transparent glasses, standing in a row. The glasses' positions are indexed with integers from1tonfrom left to right. Note th 阅读全文

摘要： 在构造函数中使用this->resize( QSize( x, y ));其中x和y分别是窗口的长和高。 阅读全文