摘要：
C. Pythagorean Triplestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputKatya studi... 阅读全文
摘要：
D. Dasha and Very Difficult Problemtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard out... 阅读全文
摘要：
B. Energy exchangetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIt is well kno... 阅读全文