摘要:
传送门D. Handshakestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputOn February, 30th n students came... 阅读全文
摘要:
传送门A. Repoststime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputOne day Polycarp published a funny p... 阅读全文