cf-History
摘要：
C. Historytime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputPolycarpus likes studying at school a lot and he is always diligent about his homework. Polycarpus has never had any problems with natural sciences as his great-great-grandfather was the g 阅读全文
posted @ 2011-12-17 16:09 Goal 阅读(349) 评论(0) 推荐(0) 编辑