摘要：
D. Ilya and Escalatortime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIlya got tired of sports pr... 阅读全文
摘要：
C. Anya and Smartphonetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAnya has bought a new smart... 阅读全文
摘要：
B. Tanya and Postcardtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle Tanya decided to pre... 阅读全文
摘要：
A. Vitaly and Stringstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputVitaly is a diligent student... 阅读全文