摘要:
Lazier SalesgirlTime Limit:2 Seconds Memory Limit:65536 KBKochiya Sanae is a lazy girl who makes and sells bread. She is an expert at bread making and... 阅读全文
摘要:
Perfect Pth PowersTime Limit:1000MSMemory Limit:10000KTotal Submissions:16638Accepted:3771DescriptionWe say that x is a perfect square if, for some in... 阅读全文
摘要:
Goldbach's ConjectureTime Limit:1000MSMemory Limit:65536KTotal Submissions:37693Accepted:14484DescriptionIn 1742, Christian Goldbach, a German amateur... 阅读全文