摘要:
Problem APlay with Floor and CeilInput:standard inputOutput:standard outputTime Limit:1 secondTheoremFor any two integersxandkthere exists two more in... 阅读全文
摘要:
Problem FMarblesInput:standard inputOutput:standard outputI have some (say,n) marbles (small glass balls) and I am going to buy some boxes to store th... 阅读全文