摘要： E. Testtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputSometimes it is hard to prepare tests for... 阅读全文

摘要： D. Roads not only in Berlandtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputBerland Government d... 阅读全文

摘要： C. Roads in Berlandtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere arencities numbered fro... 阅读全文