摘要:
E. Minimum spanning tree for each edgetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputConnected ... 阅读全文
摘要:
D. Gadgets for dollars and poundstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputNura wants to b... 阅读全文