摘要：
C. Misha and Foresttime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLet's define a forest as a non... 阅读全文
摘要：
E. Pretty Songtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputWhen Sasha was studying in the seve... 阅读全文